10257349725 has 36 divisors (see below), whose sum is σ = 20996635296. Its totient is φ = 4689073440.

The previous prime is 10257349717. The next prime is 10257349727. The reversal of 10257349725 is 52794375201.

It is a happy number.

10257349725 is a `hidden beast` number, since 1 + 0 + 2 + 573 + 4 + 9 + 72 + 5 = 666.

It is not a de Polignac number, because 10257349725 - 2³ = 10257349717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257349727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3254727 + ... + 3257876.

Almost surely, 2^10257349725 is an apocalyptic number.

10257349725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10257349725 is an abundant number, since it is smaller than the sum of its proper divisors (10739285571).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10257349725 is a wasteful number, since it uses less digits than its factorization.

10257349725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512626 (or 6512618 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 10257349725 in words is "ten billion, two hundred fifty-seven million, three hundred forty-nine thousand, seven hundred twenty-five".