625725049 has 8 divisors (see below), whose sum is σ = 658098432. Its totient is φ = 594113520.

The previous prime is 625725013. The next prime is 625725071. The reversal of 625725049 is 940527526.

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 625725049 - 2¹⁷ = 625593977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625722049) 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 7 ways as a sum of consecutive naturals, for example, 188779 + ... + 192064.

It is an arithmetic number, because the mean of its divisors is an integer number (82262304).

Almost surely, 2^625725049 is an apocalyptic number.

It is an amenable number.

625725049 is a deficient number, since it is larger than the sum of its proper divisors (32373383).

625725049 is a wasteful number, since it uses less digits than its factorization.

625725049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380927.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 625725049 is about 25014.4967768692. The cubic root of 625725049 is about 855.3184632666.

The spelling of 625725049 in words is "six hundred twenty-five million, seven hundred twenty-five thousand, forty-nine".