25125697297 has 8 divisors (see below), whose sum is σ = 25540179560. Its totient is φ = 24711298560.

The previous prime is 25125697291. The next prime is 25125697313. The reversal of 25125697297 is 79279652152.

It can be written as a sum of positive squares in 4 ways, for example, as 305585361 + 24820111936 = 17481^2 + 157544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25125697297 - 2³¹ = 22978213649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25125697291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967393 + ... + 993025.

It is an arithmetic number, because the mean of its divisors is an integer number (3192522445).

Almost surely, 2^25125697297 is an apocalyptic number.

It is an amenable number.

25125697297 is a deficient number, since it is larger than the sum of its proper divisors (414482263).

25125697297 is a wasteful number, since it uses less digits than its factorization.

25125697297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41763.

The product of its digits is 4762800, while the sum is 55.

The spelling of 25125697297 in words is "twenty-five billion, one hundred twenty-five million, six hundred ninety-seven thousand, two hundred ninety-seven".