60691651 has 2 divisors, whose sum is σ = 60691652. Its totient is φ = 60691650.

The previous prime is 60691637. The next prime is 60691661. The reversal of 60691651 is 15619606.

60691651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60691651 is a prime.

It is a super-2 number, since 2×60691651² = 7366953002211602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60691601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30345825 + 30345826.

It is an arithmetic number, because the mean of its divisors is an integer number (30345826).

Almost surely, 2^60691651 is an apocalyptic number.

60691651 is a deficient number, since it is larger than the sum of its proper divisors (1).

60691651 is an equidigital number, since it uses as much as digits as its factorization.

60691651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 60691651 is about 7790.4846447445. The cubic root of 60691651 is about 392.9853106756.

The spelling of 60691651 in words is "sixty million, six hundred ninety-one thousand, six hundred fifty-one".