61124591 has 16 divisors (see below), whose sum is σ = 69734400. Its totient is φ = 53071200.

The previous prime is 61124573. The next prime is 61124597. The reversal of 61124591 is 19542116.

It is a cyclic number.

It is not a de Polignac number, because 61124591 - 2¹⁴ = 61108207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61124597) 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, 25805 + ... + 28073.

It is an arithmetic number, because the mean of its divisors is an integer number (4358400).

Almost surely, 2^61124591 is an apocalyptic number.

61124591 is a deficient number, since it is larger than the sum of its proper divisors (8609809).

61124591 is a wasteful number, since it uses less digits than its factorization.

61124591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390.

The product of its digits is 2160, while the sum is 29.

The square root of 61124591 is about 7818.2217287565. The cubic root of 61124591 is about 393.9175426746.

The spelling of 61124591 in words is "sixty-one million, one hundred twenty-four thousand, five hundred ninety-one".