57246347 has 2 divisors, whose sum is σ = 57246348. Its totient is φ = 57246346.

The previous prime is 57246331. The next prime is 57246353. The reversal of 57246347 is 74364275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57246347 - 2⁴ = 57246331 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57246347.

It is not a weakly prime, because it can be changed into another prime (57246547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28623173 + 28623174.

It is an arithmetic number, because the mean of its divisors is an integer number (28623174).

Almost surely, 2^57246347 is an apocalyptic number.

57246347 is a deficient number, since it is larger than the sum of its proper divisors (1).

57246347 is an equidigital number, since it uses as much as digits as its factorization.

57246347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 38.

The square root of 57246347 is about 7566.1315743252. The cubic root of 57246347 is about 385.4037412966.

The spelling of 57246347 in words is "fifty-seven million, two hundred forty-six thousand, three hundred forty-seven".