60917231 has 2 divisors, whose sum is σ = 60917232. Its totient is φ = 60917230.

The previous prime is 60917221. The next prime is 60917237. The reversal of 60917231 is 13271906.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60917231 is a prime.

It is a super-2 number, since 2×60917231² = 7421818065414722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60917194 and 60917203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60917237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30458615 + 30458616.

It is an arithmetic number, because the mean of its divisors is an integer number (30458616).

Almost surely, 2^60917231 is an apocalyptic number.

60917231 is a deficient number, since it is larger than the sum of its proper divisors (1).

60917231 is an equidigital number, since it uses as much as digits as its factorization.

60917231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 60917231 is about 7804.9491350040. The cubic root of 60917231 is about 393.4715940416.

The spelling of 60917231 in words is "sixty million, nine hundred seventeen thousand, two hundred thirty-one".