625405413 has 8 divisors (see below), whose sum is σ = 856411168. Its totient is φ = 405668304.

The previous prime is 625405343. The next prime is 625405421. The reversal of 625405413 is 314504526.

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

It is not a de Polignac number, because 625405413 - 2¹⁷ = 625274341 is a prime.

It is a super-2 number, since 2×625405413² = 782263861219401138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625405423) 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, 2817031 + ... + 2817252.

It is an arithmetic number, because the mean of its divisors is an integer number (107051396).

Almost surely, 2^625405413 is an apocalyptic number.

It is an amenable number.

625405413 is a deficient number, since it is larger than the sum of its proper divisors (231005755).

625405413 is a wasteful number, since it uses less digits than its factorization.

625405413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634323.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 625405413 is about 25008.1069455487. The cubic root of 625405413 is about 855.1727991086.

Adding to 625405413 its reverse (314504526), we get a palindrome (939909939).

The spelling of 625405413 in words is "six hundred twenty-five million, four hundred five thousand, four hundred thirteen".