Search a number
-
+
925042513 = 3725001149
BaseRepresentation
bin110111001000110…
…000011101010001
32101110122000202211
4313020300131101
53343302330023
6231442512121
731631505643
oct6710603521
92343560684
10925042513
1143518714a
12219965641
13119854045
148abd8893
1556326a0d
hex37230751

925042513 has 4 divisors (see below), whose sum is σ = 950043700. Its totient is φ = 900041328.

The previous prime is 925042507. The next prime is 925042519. The reversal of 925042513 is 315240529.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (925042507) and next prime (925042519).

It can be written as a sum of positive squares in 2 ways, for example, as 693637569 + 231404944 = 26337^2 + 15212^2 .

It is a cyclic number.

It is not a de Polignac number, because 925042513 - 213 = 925034321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (925042519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12500538 + ... + 12500611.

It is an arithmetic number, because the mean of its divisors is an integer number (237510925).

Almost surely, 2925042513 is an apocalyptic number.

It is an amenable number.

925042513 is a deficient number, since it is larger than the sum of its proper divisors (25001187).

925042513 is a wasteful number, since it uses less digits than its factorization.

925042513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001186.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 925042513 is about 30414.5115528755. The cubic root of 925042513 is about 974.3625069636.

The spelling of 925042513 in words is "nine hundred twenty-five million, forty-two thousand, five hundred thirteen".

Divisors: 1 37 25001149 925042513