57405013 has 4 divisors (see below), whose sum is σ = 57476608. Its totient is φ = 57333420.

The previous prime is 57405011. The next prime is 57405071. The reversal of 57405013 is 31050475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57405013 - 2¹ = 57405011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57405011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34581 + ... + 36202.

It is an arithmetic number, because the mean of its divisors is an integer number (14369152).

Almost surely, 2^57405013 is an apocalyptic number.

It is an amenable number.

57405013 is a deficient number, since it is larger than the sum of its proper divisors (71595).

57405013 is an equidigital number, since it uses as much as digits as its factorization.

57405013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71594.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 57405013 is about 7576.6095979666. The cubic root of 57405013 is about 385.7594790537.

Adding to 57405013 its reverse (31050475), we get a palindrome (88455488).

The spelling of 57405013 in words is "fifty-seven million, four hundred five thousand, thirteen".