7250525 has 6 divisors (see below), whose sum is σ = 8990682. Its totient is φ = 5800400.

The previous prime is 7250519. The next prime is 7250527. The reversal of 7250525 is 5250527.

It can be written as a sum of positive squares in 3 ways, for example, as 727609 + 6522916 = 853^2 + 2554^2 .

It is not a de Polignac number, because 7250525 - 2¹⁴ = 7234141 is a prime.

It is a super-2 number, since 2×7250525² = 105140225551250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7250494 and 7250503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144986 + ... + 145035.

It is an arithmetic number, because the mean of its divisors is an integer number (1498447).

Almost surely, 2^7250525 is an apocalyptic number.

It is an amenable number.

7250525 is a deficient number, since it is larger than the sum of its proper divisors (1740157).

7250525 is a wasteful number, since it uses less digits than its factorization.

7250525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290031 (or 290026 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 7250525 is about 2692.6798918550. The cubic root of 7250525 is about 193.5485036663.

The spelling of 7250525 in words is "seven million, two hundred fifty thousand, five hundred twenty-five".