68831051 has 2 divisors, whose sum is σ = 68831052. Its totient is φ = 68831050.

The previous prime is 68831039. The next prime is 68831057. The reversal of 68831051 is 15013886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68831051 - 2¹⁴ = 68814667 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68830999 and 68831017.

It is not a weakly prime, because it can be changed into another prime (68831057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34415525 + 34415526.

It is an arithmetic number, because the mean of its divisors is an integer number (34415526).

Almost surely, 2^68831051 is an apocalyptic number.

68831051 is a deficient number, since it is larger than the sum of its proper divisors (1).

68831051 is an equidigital number, since it uses as much as digits as its factorization.

68831051 is an evil number, because the sum of its binary digits is even.

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

The square root of 68831051 is about 8296.4480954201. The cubic root of 68831051 is about 409.8215582802.

The spelling of 68831051 in words is "sixty-eight million, eight hundred thirty-one thousand, fifty-one".