57125405 has 8 divisors (see below), whose sum is σ = 70761984. Its totient is φ = 44226000.

The previous prime is 57125401. The next prime is 57125407. The reversal of 57125405 is 50452175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57125405 - 2² = 57125401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57125401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184121 + ... + 184430.

It is an arithmetic number, because the mean of its divisors is an integer number (8845248).

Almost surely, 2^57125405 is an apocalyptic number.

It is an amenable number.

57125405 is a deficient number, since it is larger than the sum of its proper divisors (13636579).

57125405 is a wasteful number, since it uses less digits than its factorization.

57125405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368587.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 57125405 is about 7558.1350212867. The cubic root of 57125405 is about 385.1321410692.

The spelling of 57125405 in words is "fifty-seven million, one hundred twenty-five thousand, four hundred five".