60661507 has 2 divisors, whose sum is σ = 60661508. Its totient is φ = 60661506.

The previous prime is 60661501. The next prime is 60661529. The reversal of 60661507 is 70516606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60661507 - 2⁷ = 60661379 is a prime.

It is a super-2 number, since 2×60661507² = 7359636863022098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60661501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330753 + 30330754.

It is an arithmetic number, because the mean of its divisors is an integer number (30330754).

Almost surely, 2^60661507 is an apocalyptic number.

60661507 is a deficient number, since it is larger than the sum of its proper divisors (1).

60661507 is an equidigital number, since it uses as much as digits as its factorization.

60661507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 60661507 is about 7788.5497366326. The cubic root of 60661507 is about 392.9202379636.

The spelling of 60661507 in words is "sixty million, six hundred sixty-one thousand, five hundred seven".