245020624 has 20 divisors (see below), whose sum is σ = 475923780. Its totient is φ = 122201600.

The previous prime is 245020613. The next prime is 245020651. The reversal of 245020624 is 426020542.

It can be written as a sum of positive squares in 2 ways, for example, as 148352400 + 96668224 = 12180^2 + 9832^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12679 + ... + 25510.

It is an arithmetic number, because the mean of its divisors is an integer number (23796189).

Almost surely, 2^245020624 is an apocalyptic number.

It is an amenable number.

245020624 is a deficient number, since it is larger than the sum of its proper divisors (230903156).

245020624 is a wasteful number, since it uses less digits than its factorization.

245020624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38598 (or 38592 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 245020624 is about 15653.1346381484. The cubic root of 245020624 is about 625.7500320430.

The spelling of 245020624 in words is "two hundred forty-five million, twenty thousand, six hundred twenty-four".