57471019 has 2 divisors, whose sum is σ = 57471020. Its totient is φ = 57471018.

The previous prime is 57471017. The next prime is 57471031. The reversal of 57471019 is 91017475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57471019 - 2¹ = 57471017 is a prime.

It is a super-2 number, since 2×57471019² = 6605836049796722, which contains 22 as substring.

Together with 57471017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57471017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28735509 + 28735510.

It is an arithmetic number, because the mean of its divisors is an integer number (28735510).

Almost surely, 2^57471019 is an apocalyptic number.

57471019 is a deficient number, since it is larger than the sum of its proper divisors (1).

57471019 is an equidigital number, since it uses as much as digits as its factorization.

57471019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 57471019 is about 7580.9642526528. The cubic root of 57471019 is about 385.9072750150.

The spelling of 57471019 in words is "fifty-seven million, four hundred seventy-one thousand, nineteen".