25032654491 has 8 divisors (see below), whose sum is σ = 27236164704. Its totient is φ = 22868847360.

The previous prime is 25032654487. The next prime is 25032654499. The reversal of 25032654491 is 19445623052.

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 25032654491 - 2² = 25032654487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25032654499) 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, 9924455 + ... + 9926976.

It is an arithmetic number, because the mean of its divisors is an integer number (3404520588).

Almost surely, 2^25032654491 is an apocalyptic number.

25032654491 is a deficient number, since it is larger than the sum of its proper divisors (2203510213).

25032654491 is a wasteful number, since it uses less digits than its factorization.

25032654491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19851541.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 25032654491 in words is "twenty-five billion, thirty-two million, six hundred fifty-four thousand, four hundred ninety-one".