25080002397 has 6 divisors (see below), whose sum is σ = 36226670142. Its totient is φ = 16720001592.

The previous prime is 25080002393. The next prime is 25080002399. The reversal of 25080002397 is 79320008052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24432503481 + 647498916 = 156309^2 + 25446^2 .

It is not a de Polignac number, because 25080002397 - 2² = 25080002393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25080002393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1393333458 + ... + 1393333475.

It is an arithmetic number, because the mean of its divisors is an integer number (6037778357).

Almost surely, 2^25080002397 is an apocalyptic number.

It is an amenable number.

25080002397 is a deficient number, since it is larger than the sum of its proper divisors (11146667745).

25080002397 is a wasteful number, since it uses less digits than its factorization.

25080002397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786666939 (or 2786666936 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 25080002397 in words is "twenty-five billion, eighty million, two thousand, three hundred ninety-seven".