62640035825 has 24 divisors (see below), whose sum is σ = 78592793400. Its totient is φ = 49522457600.

The previous prime is 62640035819. The next prime is 62640035831. The reversal of 62640035825 is 52853004626.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (62640035819) and next prime (62640035831).

It can be written as a sum of positive squares in 12 ways, for example, as 6045529009 + 56594506816 = 77753^2 + 237896^2 .

It is not a de Polignac number, because 62640035825 - 2¹⁰ = 62640034801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 691145 + ... + 776505.

It is an arithmetic number, because the mean of its divisors is an integer number (3274699725).

Almost surely, 2^62640035825 is an apocalyptic number.

It is an amenable number.

62640035825 is a deficient number, since it is larger than the sum of its proper divisors (15952757575).

62640035825 is a wasteful number, since it uses less digits than its factorization.

62640035825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85717 (or 85712 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 62640035825 in words is "sixty-two billion, six hundred forty million, thirty-five thousand, eight hundred twenty-five".