60505631 has 2 divisors, whose sum is σ = 60505632. Its totient is φ = 60505630.

The previous prime is 60505609. The next prime is 60505637. The reversal of 60505631 is 13650506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60505631 - 2¹⁸ = 60243487 is a prime.

It is a super-2 number, since 2×60505631² = 7321862765416322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60505631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60505637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30252815 + 30252816.

It is an arithmetic number, because the mean of its divisors is an integer number (30252816).

Almost surely, 2^60505631 is an apocalyptic number.

60505631 is a deficient number, since it is larger than the sum of its proper divisors (1).

60505631 is an equidigital number, since it uses as much as digits as its factorization.

60505631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 60505631 is about 7778.5365590193. The cubic root of 60505631 is about 392.5833995901.

The spelling of 60505631 in words is "sixty million, five hundred five thousand, six hundred thirty-one".