60732509 has 2 divisors, whose sum is σ = 60732510. Its totient is φ = 60732508.

The previous prime is 60732491. The next prime is 60732523. The reversal of 60732509 is 90523706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 235225 = 7778^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 60732509 - 2⁸ = 60732253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60732599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30366254 + 30366255.

It is an arithmetic number, because the mean of its divisors is an integer number (30366255).

Almost surely, 2^60732509 is an apocalyptic number.

It is an amenable number.

60732509 is a deficient number, since it is larger than the sum of its proper divisors (1).

60732509 is an equidigital number, since it uses as much as digits as its factorization.

60732509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 60732509 is about 7793.1065051108. The cubic root of 60732509 is about 393.0734776188.

The spelling of 60732509 in words is "sixty million, seven hundred thirty-two thousand, five hundred nine".