25275020654 has 32 divisors (see below), whose sum is σ = 41835408384. Its totient is φ = 11378556000.

The previous prime is 25275020651. The next prime is 25275020663. The reversal of 25275020654 is 45602057252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275020651) 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 15 ways as a sum of consecutive naturals, for example, 824567 + ... + 854669.

It is an arithmetic number, because the mean of its divisors is an integer number (1307356512).

Almost surely, 2^25275020654 is an apocalyptic number.

25275020654 is a deficient number, since it is larger than the sum of its proper divisors (16560387730).

25275020654 is a wasteful number, since it uses less digits than its factorization.

25275020654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30912.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 25275020654 in words is "twenty-five billion, two hundred seventy-five million, twenty thousand, six hundred fifty-four".