25053050831 has 4 divisors (see below), whose sum is σ = 25059440952. Its totient is φ = 25046660712.

The previous prime is 25053050819. The next prime is 25053050839. The reversal of 25053050831 is 13805035052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25053050831 - 2¹⁸ = 25052788687 is a prime.

It is a super-2 number, since 2×25053050831² (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 (25053050839) 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, 3189176 + ... + 3197021.

It is an arithmetic number, because the mean of its divisors is an integer number (6264860238).

Almost surely, 2^25053050831 is an apocalyptic number.

25053050831 is a deficient number, since it is larger than the sum of its proper divisors (6390121).

25053050831 is an equidigital number, since it uses as much as digits as its factorization.

25053050831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390120.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 25053050831 its reverse (13805035052), we get a palindrome (38858085883).

The spelling of 25053050831 in words is "twenty-five billion, fifty-three million, fifty thousand, eight hundred thirty-one".