68580131 has 4 divisors (see below), whose sum is σ = 69001032. Its totient is φ = 68159232.

The previous prime is 68580119. The next prime is 68580151. The reversal of 68580131 is 13108586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68580131 is a prime.

It is a super-2 number, since 2×68580131² = 9406468735954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68580151) 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, 210206 + ... + 210531.

It is an arithmetic number, because the mean of its divisors is an integer number (17250258).

Almost surely, 2^68580131 is an apocalyptic number.

68580131 is a deficient number, since it is larger than the sum of its proper divisors (420901).

68580131 is a wasteful number, since it uses less digits than its factorization.

68580131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420900.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 68580131 is about 8281.3121544837. The cubic root of 68580131 is about 409.3229575550.

The spelling of 68580131 in words is "sixty-eight million, five hundred eighty thousand, one hundred thirty-one".