61588313 has 4 divisors (see below), whose sum is σ = 63252900. Its totient is φ = 59923728.

The previous prime is 61588301. The next prime is 61588337. The reversal of 61588313 is 31388516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56957209 + 4631104 = 7547^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 61588313 - 2¹⁴ = 61571929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61588393) 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, 832238 + ... + 832311.

It is an arithmetic number, because the mean of its divisors is an integer number (15813225).

Almost surely, 2^61588313 is an apocalyptic number.

It is an amenable number.

61588313 is a deficient number, since it is larger than the sum of its proper divisors (1664587).

61588313 is a wasteful number, since it uses less digits than its factorization.

61588313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664586.

The product of its digits is 17280, while the sum is 35.

The square root of 61588313 is about 7847.8221819814. The cubic root of 61588313 is about 394.9111865697.

The spelling of 61588313 in words is "sixty-one million, five hundred eighty-eight thousand, three hundred thirteen".