625003400 has 96 divisors (see below), whose sum is σ = 1714414080. Its totient is φ = 207360000.

The previous prime is 625003399. The next prime is 625003411. The reversal of 625003400 is 4300526.

625003400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 36200 + ... + 50600.

It is an arithmetic number, because the mean of its divisors is an integer number (17858480).

Almost surely, 2^625003400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625003400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857207040).

625003400 is an abundant number, since it is smaller than the sum of its proper divisors (1089410680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625003400 is a wasteful number, since it uses less digits than its factorization.

625003400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455 (or 14446 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 625003400 is about 25000.0679999075. The cubic root of 625003400 is about 854.9895237137.

Adding to 625003400 its reverse (4300526), we get a palindrome (629303926).

The spelling of 625003400 in words is "six hundred twenty-five million, three thousand, four hundred".