25265416983 has 16 divisors (see below), whose sum is σ = 35706958560. Its totient is φ = 15835862016.

The previous prime is 25265416963. The next prime is 25265417063. The reversal of 25265416983 is 38961456252.

It is a happy number.

It is not a de Polignac number, because 25265416983 - 2⁹ = 25265416471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265416903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216568 + ... + 312141.

It is an arithmetic number, because the mean of its divisors is an integer number (2231684910).

Almost surely, 2^25265416983 is an apocalyptic number.

25265416983 is a deficient number, since it is larger than the sum of its proper divisors (10441541577).

25265416983 is a wasteful number, since it uses less digits than its factorization.

25265416983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529666.

The product of its digits is 3110400, while the sum is 51.

The spelling of 25265416983 in words is "twenty-five billion, two hundred sixty-five million, four hundred sixteen thousand, nine hundred eighty-three".