25710030997 has 16 divisors (see below), whose sum is σ = 30482288640. Its totient is φ = 21216932352.

The previous prime is 25710030991. The next prime is 25710031027. The reversal of 25710030997 is 79903001752.

It is not a de Polignac number, because 25710030997 - 2³ = 25710030989 is a prime.

It is a super-2 number, since 2×25710030997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25710030991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107733 + ... + 251050.

It is an arithmetic number, because the mean of its divisors is an integer number (1905143040).

Almost surely, 2^25710030997 is an apocalyptic number.

It is an amenable number.

25710030997 is a deficient number, since it is larger than the sum of its proper divisors (4772257643).

25710030997 is a wasteful number, since it uses less digits than its factorization.

25710030997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359172.

The product of its (nonzero) digits is 119070, while the sum is 43.

The spelling of 25710030997 in words is "twenty-five billion, seven hundred ten million, thirty thousand, nine hundred ninety-seven".