60919621 has 4 divisors (see below), whose sum is σ = 69622432. Its totient is φ = 52216812.

The previous prime is 60919609. The next prime is 60919627. The reversal of 60919621 is 12691906.

60919621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60919621 - 2⁷ = 60919493 is a prime.

It is a super-2 number, since 2×60919621² = 7422400445567282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60919627) 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 in 3 ways as a sum of consecutive naturals, for example, 4351395 + ... + 4351408.

It is an arithmetic number, because the mean of its divisors is an integer number (17405608).

Almost surely, 2^60919621 is an apocalyptic number.

It is an amenable number.

60919621 is a deficient number, since it is larger than the sum of its proper divisors (8702811).

60919621 is an equidigital number, since it uses as much as digits as its factorization.

60919621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702810.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 60919621 is about 7805.1022414828. The cubic root of 60919621 is about 393.4767397385.

It can be divided in two parts, 60 and 919621, that added together give a square (919681 = 959²).

The spelling of 60919621 in words is "sixty million, nine hundred nineteen thousand, six hundred twenty-one".