61494963 has 16 divisors (see below), whose sum is σ = 86611200. Its totient is φ = 38702880.

The previous prime is 61494959. The next prime is 61494971. The reversal of 61494963 is 36949416.

It is not a de Polignac number, because 61494963 - 2² = 61494959 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61494263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15993 + ... + 19461.

It is an arithmetic number, because the mean of its divisors is an integer number (5413200).

Almost surely, 2^61494963 is an apocalyptic number.

61494963 is a deficient number, since it is larger than the sum of its proper divisors (25116237).

61494963 is a wasteful number, since it uses less digits than its factorization.

61494963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its digits is 139968, while the sum is 42.

The square root of 61494963 is about 7841.8724167127. The cubic root of 61494963 is about 394.7115621134.

The spelling of 61494963 in words is "sixty-one million, four hundred ninety-four thousand, nine hundred sixty-three".