25074971017 has 8 divisors (see below), whose sum is σ = 26089570440. Its totient is φ = 24070368000.

The previous prime is 25074970979. The next prime is 25074971021. The reversal of 25074971017 is 71017947052.

It can be written as a sum of positive squares in 4 ways, for example, as 7402193296 + 17672777721 = 86036^2 + 132939^2 .

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 25074971017 - 2¹⁹ = 25074446729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25074971417) 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, 2493984 + ... + 2504017.

It is an arithmetic number, because the mean of its divisors is an integer number (3261196305).

Almost surely, 2^25074971017 is an apocalyptic number.

It is an amenable number.

25074971017 is a deficient number, since it is larger than the sum of its proper divisors (1014599423).

25074971017 is a wasteful number, since it uses less digits than its factorization.

25074971017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998203.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 25074971017 in words is "twenty-five billion, seventy-four million, nine hundred seventy-one thousand, seventeen".