60905057 has 2 divisors, whose sum is σ = 60905058. Its totient is φ = 60905056.

The previous prime is 60905021. The next prime is 60905059. The reversal of 60905057 is 75050906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60824401 + 80656 = 7799^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 60905057 - 2¹⁶ = 60839521 is a prime.

Together with 60905059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60905059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30452528 + 30452529.

It is an arithmetic number, because the mean of its divisors is an integer number (30452529).

Almost surely, 2^60905057 is an apocalyptic number.

It is an amenable number.

60905057 is a deficient number, since it is larger than the sum of its proper divisors (1).

60905057 is an equidigital number, since it uses as much as digits as its factorization.

60905057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 60905057 is about 7804.1692062640. The cubic root of 60905057 is about 393.4453811938.

The spelling of 60905057 in words is "sixty million, nine hundred five thousand, fifty-seven".