625046405 has 16 divisors (see below), whose sum is σ = 756290304. Its totient is φ = 495896640.

The previous prime is 625046399. The next prime is 625046407. The reversal of 625046405 is 504640526.

It is not a de Polignac number, because 625046405 - 2¹⁶ = 624980869 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 (625046407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507140 + ... + 508370.

It is an arithmetic number, because the mean of its divisors is an integer number (47268144).

Almost surely, 2^625046405 is an apocalyptic number.

It is an amenable number.

625046405 is a deficient number, since it is larger than the sum of its proper divisors (131243899).

625046405 is a wasteful number, since it uses less digits than its factorization.

625046405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 625046405 is about 25000.9280827732. The cubic root of 625046405 is about 855.0091331970.

The spelling of 625046405 in words is "six hundred twenty-five million, forty-six thousand, four hundred five".