25424834975 has 6 divisors (see below), whose sum is σ = 31526795400. Its totient is φ = 20339867960.

The previous prime is 25424834947. The next prime is 25424835043. The reversal of 25424834975 is 57943842452.

It is not a de Polignac number, because 25424834975 - 2⁸ = 25424834719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508496675 + ... + 508496724.

It is an arithmetic number, because the mean of its divisors is an integer number (5254465900).

Almost surely, 2^25424834975 is an apocalyptic number.

25424834975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25424834975 is a deficient number, since it is larger than the sum of its proper divisors (6101960425).

25424834975 is a wasteful number, since it uses less digits than its factorization.

25424834975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016993409 (or 1016993404 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 53.

The spelling of 25424834975 in words is "twenty-five billion, four hundred twenty-four million, eight hundred thirty-four thousand, nine hundred seventy-five".