61523044 has 12 divisors (see below), whose sum is σ = 117453168. Its totient is φ = 27965000.

The previous prime is 61523041. The next prime is 61523069. The reversal of 61523044 is 44032516.

It is not an unprimeable number, because it can be changed into a prime (61523041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699082 + ... + 699169.

It is an arithmetic number, because the mean of its divisors is an integer number (9787764).

Almost surely, 2^61523044 is an apocalyptic number.

It is an amenable number.

61523044 is a deficient number, since it is larger than the sum of its proper divisors (55930124).

61523044 is a wasteful number, since it uses less digits than its factorization.

61523044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398266 (or 1398264 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 61523044 is about 7843.6626648524. The cubic root of 61523044 is about 394.7716332052.

The spelling of 61523044 in words is "sixty-one million, five hundred twenty-three thousand, forty-four".