60987613 has 2 divisors, whose sum is σ = 60987614. Its totient is φ = 60987612.

The previous prime is 60987611. The next prime is 60987629. The reversal of 60987613 is 31678906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51581124 + 9406489 = 7182^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 60987613 - 2¹ = 60987611 is a prime.

Together with 60987611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60987611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30493806 + 30493807.

It is an arithmetic number, because the mean of its divisors is an integer number (30493807).

Almost surely, 2^60987613 is an apocalyptic number.

It is an amenable number.

60987613 is a deficient number, since it is larger than the sum of its proper divisors (1).

60987613 is an equidigital number, since it uses as much as digits as its factorization.

60987613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 60987613 is about 7809.4566392291. The cubic root of 60987613 is about 393.6230709378.

The spelling of 60987613 in words is "sixty million, nine hundred eighty-seven thousand, six hundred thirteen".