625421350 has 24 divisors (see below), whose sum is σ = 1165974480. Its totient is φ = 249589920.

The previous prime is 625421341. The next prime is 625421353. The reversal of 625421350 is 53124526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625421353) 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 11 ways as a sum of consecutive naturals, for example, 7704 + ... + 36196.

It is an arithmetic number, because the mean of its divisors is an integer number (48582270).

Almost surely, 2^625421350 is an apocalyptic number.

625421350 is a deficient number, since it is larger than the sum of its proper divisors (540553130).

625421350 is a wasteful number, since it uses less digits than its factorization.

625421350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28944 (or 28939 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 625421350 is about 25008.4255801920. The cubic root of 625421350 is about 855.1800630758.

Adding to 625421350 its reverse (53124526), we get a palindrome (678545876).

The spelling of 625421350 in words is "six hundred twenty-five million, four hundred twenty-one thousand, three hundred fifty".