57246331 has 2 divisors, whose sum is σ = 57246332. Its totient is φ = 57246330.

The previous prime is 57246283. The next prime is 57246347. The reversal of 57246331 is 13364275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57246331 is a prime.

It is a super-2 number, since 2×57246331² = 6554284825923122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57246293 and 57246302.

It is not a weakly prime, because it can be changed into another prime (57243331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28623165 + 28623166.

It is an arithmetic number, because the mean of its divisors is an integer number (28623166).

Almost surely, 2^57246331 is an apocalyptic number.

57246331 is a deficient number, since it is larger than the sum of its proper divisors (1).

57246331 is an equidigital number, since it uses as much as digits as its factorization.

57246331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 57246331 is about 7566.1305169816. The cubic root of 57246331 is about 385.4037053906.

The spelling of 57246331 in words is "fifty-seven million, two hundred forty-six thousand, three hundred thirty-one".