61263964 has 12 divisors (see below), whose sum is σ = 107297064. Its totient is φ = 30607664.

The previous prime is 61263959. The next prime is 61263977. The reversal of 61263964 is 46936216.

It is a happy number.

61263964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342 + ... + 11074.

It is an arithmetic number, because the mean of its divisors is an integer number (8941422).

Almost surely, 2^61263964 is an apocalyptic number.

It is an amenable number.

61263964 is a deficient number, since it is larger than the sum of its proper divisors (46033100).

61263964 is a wasteful number, since it uses less digits than its factorization.

61263964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164 (or 12162 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 61263964 is about 7827.1299976428. The cubic root of 61263964 is about 394.2167119274.

The spelling of 61263964 in words is "sixty-one million, two hundred sixty-three thousand, nine hundred sixty-four".