4961564 has 6 divisors (see below), whose sum is σ = 8682744. Its totient is φ = 2480780.

The previous prime is 4961563. The next prime is 4961587. The reversal of 4961564 is 4651694.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620192 + ... + 620199.

It is an arithmetic number, because the mean of its divisors is an integer number (1447124).

Almost surely, 2^4961564 is an apocalyptic number.

It is an amenable number.

4961564 is a deficient number, since it is larger than the sum of its proper divisors (3721180).

4961564 is a wasteful number, since it uses less digits than its factorization.

4961564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240395 (or 1240393 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 4961564 is about 2227.4568458222. The cubic root of 4961564 is about 170.5583028594.

The spelling of 4961564 in words is "four million, nine hundred sixty-one thousand, five hundred sixty-four".