61324913 has 16 divisors (see below), whose sum is σ = 71769600. Its totient is φ = 51891840.

The previous prime is 61324909. The next prime is 61324919. The reversal of 61324913 is 31942316.

It is not a de Polignac number, because 61324913 - 2² = 61324909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61324919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3653 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (4485600).

Almost surely, 2^61324913 is an apocalyptic number.

It is an amenable number.

61324913 is a deficient number, since it is larger than the sum of its proper divisors (10444687).

61324913 is a wasteful number, since it uses less digits than its factorization.

61324913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072.

The product of its digits is 3888, while the sum is 29.

The square root of 61324913 is about 7831.0224747475. The cubic root of 61324913 is about 394.3473986006.

The spelling of 61324913 in words is "sixty-one million, three hundred twenty-four thousand, nine hundred thirteen".