61024491 has 12 divisors (see below), whose sum is σ = 96159960. Its totient is φ = 36984480.

The previous prime is 61024459. The next prime is 61024499. The reversal of 61024491 is 19442016.

61024491 is a `hidden beast` number, since 610 + 2 + 4 + 49 + 1 = 666.

It is not a de Polignac number, because 61024491 - 2⁵ = 61024459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61024499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308106 + ... + 308303.

It is an arithmetic number, because the mean of its divisors is an integer number (8013330).

Almost surely, 2^61024491 is an apocalyptic number.

61024491 is a deficient number, since it is larger than the sum of its proper divisors (35135469).

61024491 is a wasteful number, since it uses less digits than its factorization.

61024491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616426 (or 616423 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61024491 is about 7811.8173941792. The cubic root of 61024491 is about 393.7023936397.

The spelling of 61024491 in words is "sixty-one million, twenty-four thousand, four hundred ninety-one".