60645921 has 16 divisors (see below), whose sum is σ = 93794304. Its totient is φ = 34136784.

The previous prime is 60645911. The next prime is 60645961. The reversal of 60645921 is 12954606.

It is not a de Polignac number, because 60645921 - 2¹⁴ = 60629537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60645901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20145 + ... + 22958.

It is an arithmetic number, because the mean of its divisors is an integer number (5862144).

Almost surely, 2^60645921 is an apocalyptic number.

It is an amenable number.

60645921 is a deficient number, since it is larger than the sum of its proper divisors (33148383).

60645921 is a wasteful number, since it uses less digits than its factorization.

60645921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43180.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 60645921 is about 7787.5491009688. The cubic root of 60645921 is about 392.8865835662.

The spelling of 60645921 in words is "sixty million, six hundred forty-five thousand, nine hundred twenty-one".