25289053837 has 4 divisors (see below), whose sum is σ = 25290425536. Its totient is φ = 25287682140.

The previous prime is 25289053759. The next prime is 25289053841. The reversal of 25289053837 is 73835098252.

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 not a de Polignac number, because 25289053837 - 2⁷ = 25289053709 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 (25289053037) 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, 657813 + ... + 695194.

It is an arithmetic number, because the mean of its divisors is an integer number (6322606384).

Almost surely, 2^25289053837 is an apocalyptic number.

It is an amenable number.

25289053837 is a deficient number, since it is larger than the sum of its proper divisors (1371699).

25289053837 is a wasteful number, since it uses less digits than its factorization.

25289053837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371698.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 25289053837 in words is "twenty-five billion, two hundred eighty-nine million, fifty-three thousand, eight hundred thirty-seven".