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4725025 = 52331571
BaseRepresentation
bin10010000001100100100001
322220001111221
4102001210201
52202200100
6245135041
755106404
oct22014441
98801457
104725025
112737a88
1216ba481
13c95896
148add3b
1563501a
hex481921

4725025 has 12 divisors (see below), whose sum is σ = 5887024. Its totient is φ = 3762000.

The previous prime is 4725001. The next prime is 4725029. The reversal of 4725025 is 5205274.

It is not a de Polignac number, because 4725025 - 29 = 4724513 is a prime.

It is a super-2 number, since 2×47250252 = 44651722501250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4725029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7990 + ... + 8560.

Almost surely, 24725025 is an apocalyptic number.

It is an amenable number.

4725025 is a deficient number, since it is larger than the sum of its proper divisors (1161999).

4725025 is a wasteful number, since it uses less digits than its factorization.

4725025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 4725025 is about 2173.7122624671. The cubic root of 4725025 is about 167.8036372611.

Subtracting 4725025 from its reverse (5205274), we obtain a square (480249 = 6932).

The spelling of 4725025 in words is "four million, seven hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 331 571 1655 2855 8275 14275 189001 945005 4725025