60686831 has 2 divisors, whose sum is σ = 60686832. Its totient is φ = 60686830.

The previous prime is 60686819. The next prime is 60686837. The reversal of 60686831 is 13868606.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60686831 is a prime.

It is a super-2 number, since 2×60686831² = 7365782913645122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60686837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30343415 + 30343416.

It is an arithmetic number, because the mean of its divisors is an integer number (30343416).

Almost surely, 2^60686831 is an apocalyptic number.

60686831 is a deficient number, since it is larger than the sum of its proper divisors (1).

60686831 is an equidigital number, since it uses as much as digits as its factorization.

60686831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 60686831 is about 7790.1752868597. The cubic root of 60686831 is about 392.9749070516.

The spelling of 60686831 in words is "sixty million, six hundred eighty-six thousand, eight hundred thirty-one".