61261946 has 16 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 30218640.

The previous prime is 61261943. The next prime is 61261957. The reversal of 61261946 is 64916216.

It is not an unprimeable number, because it can be changed into a prime (61261943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49151 + ... + 50381.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^61261946 is an apocalyptic number.

61261946 is a deficient number, since it is larger than the sum of its proper divisors (31877254).

61261946 is a wasteful number, since it uses less digits than its factorization.

61261946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

The product of its digits is 15552, while the sum is 35.

The square root of 61261946 is about 7827.0010859843. The cubic root of 61261946 is about 394.2123834554.

The spelling of 61261946 in words is "sixty-one million, two hundred sixty-one thousand, nine hundred forty-six".