61263528 has 16 divisors (see below), whose sum is σ = 153158880. Its totient is φ = 20421168.

The previous prime is 61263511. The next prime is 61263539. The reversal of 61263528 is 82536216.

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, 1276300 + ... + 1276347.

It is an arithmetic number, because the mean of its divisors is an integer number (9572430).

Almost surely, 2^61263528 is an apocalyptic number.

It is an amenable number.

61263528 is an abundant number, since it is smaller than the sum of its proper divisors (91895352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61263528 is a wasteful number, since it uses less digits than its factorization.

61263528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552656 (or 2552652 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 61263528 is about 7827.1021457497. The cubic root of 61263528 is about 394.2157767453.

The spelling of 61263528 in words is "sixty-one million, two hundred sixty-three thousand, five hundred twenty-eight".