57241147 has 2 divisors, whose sum is σ = 57241148. Its totient is φ = 57241146.

The previous prime is 57241141. The next prime is 57241169. The reversal of 57241147 is 74114275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57241147 - 2³ = 57241139 is a prime.

It is equal to p_3407935 and since 57241147 and 3407935 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (57241141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28620573 + 28620574.

It is an arithmetic number, because the mean of its divisors is an integer number (28620574).

Almost surely, 2^57241147 is an apocalyptic number.

57241147 is a deficient number, since it is larger than the sum of its proper divisors (1).

57241147 is an equidigital number, since it uses as much as digits as its factorization.

57241147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 57241147 is about 7565.7879298854. The cubic root of 57241147 is about 385.3920714973.

The spelling of 57241147 in words is "fifty-seven million, two hundred forty-one thousand, one hundred forty-seven".