625042057 has 8 divisors (see below), whose sum is σ = 650289152. Its totient is φ = 600112800.

The previous prime is 625042013. The next prime is 625042081. The reversal of 625042057 is 750240526.

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

It is a cyclic number.

It is not a de Polignac number, because 625042057 - 2¹⁹ = 624517769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625042097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75444 + ... + 83317.

It is an arithmetic number, because the mean of its divisors is an integer number (81286144).

Almost surely, 2^625042057 is an apocalyptic number.

It is an amenable number.

625042057 is a deficient number, since it is larger than the sum of its proper divisors (25247095).

625042057 is a wasteful number, since it uses less digits than its factorization.

625042057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158919.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 625042057 is about 25000.8411258501. The cubic root of 625042057 is about 855.0071506304.

The spelling of 625042057 in words is "six hundred twenty-five million, forty-two thousand, fifty-seven".