25235413654 has 128 divisors (see below), whose sum is σ = 47154078720. Its totient is φ = 9990604800.

The previous prime is 25235413607. The next prime is 25235413657. The reversal of 25235413654 is 45631453252.

It is a super-2 number, since 2×25235413654² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235413657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28774264 + ... + 28775140.

It is an arithmetic number, because the mean of its divisors is an integer number (368391240).

Almost surely, 2^25235413654 is an apocalyptic number.

25235413654 is a deficient number, since it is larger than the sum of its proper divisors (21918665066).

25235413654 is a wasteful number, since it uses less digits than its factorization.

25235413654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its digits is 432000, while the sum is 40.

The spelling of 25235413654 in words is "twenty-five billion, two hundred thirty-five million, four hundred thirteen thousand, six hundred fifty-four".