2635564425 has 48 divisors (see below), whose sum is σ = 4752195840. Its totient is φ = 1281047040.

The previous prime is 2635564391. The next prime is 2635564429. The reversal of 2635564425 is 5244655362.

It is not a de Polignac number, because 2635564425 - 2³⁰ = 1561822601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2635564429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59917 + ... + 94133.

It is an arithmetic number, because the mean of its divisors is an integer number (99004080).

Almost surely, 2^2635564425 is an apocalyptic number.

2635564425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2635564425 is a deficient number, since it is larger than the sum of its proper divisors (2116631415).

2635564425 is a wasteful number, since it uses less digits than its factorization.

2635564425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34322 (or 34317 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The square root of 2635564425 is about 51337.7485384780. The cubic root of 2635564425 is about 1381.3101792607.

The spelling of 2635564425 in words is "two billion, six hundred thirty-five million, five hundred sixty-four thousand, four hundred twenty-five".