25023197053 has 4 divisors (see below), whose sum is σ = 25111618528. Its totient is φ = 24934775580.

The previous prime is 25023197041. The next prime is 25023197071. The reversal of 25023197053 is 35079132052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25023197053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25027197053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44210313 + ... + 44210878.

It is an arithmetic number, because the mean of its divisors is an integer number (6277904632).

Almost surely, 2^25023197053 is an apocalyptic number.

It is an amenable number.

25023197053 is a deficient number, since it is larger than the sum of its proper divisors (88421475).

25023197053 is an equidigital number, since it uses as much as digits as its factorization.

25023197053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88421474.

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 25023197053 in words is "twenty-five billion, twenty-three million, one hundred ninety-seven thousand, fifty-three".