60506539 has 2 divisors, whose sum is σ = 60506540. Its totient is φ = 60506538.

The previous prime is 60506527. The next prime is 60506543. The reversal of 60506539 is 93560506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60506539 is a prime.

It is a super-2 number, since 2×60506539² = 7322082523517042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60506239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30253269 + 30253270.

It is an arithmetic number, because the mean of its divisors is an integer number (30253270).

Almost surely, 2^60506539 is an apocalyptic number.

60506539 is a deficient number, since it is larger than the sum of its proper divisors (1).

60506539 is an equidigital number, since it uses as much as digits as its factorization.

60506539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 60506539 is about 7778.5949245349. The cubic root of 60506539 is about 392.5853633960.

The spelling of 60506539 in words is "sixty million, five hundred six thousand, five hundred thirty-nine".