625094644 has 12 divisors (see below), whose sum is σ = 1141477344. Its totient is φ = 298958264.

The previous prime is 625094629. The next prime is 625094653. The reversal of 625094644 is 446490526.

It is a happy number.

625094644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 625094597 and 625094606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397162 + ... + 3397345.

It is an arithmetic number, because the mean of its divisors is an integer number (95123112).

Almost surely, 2^625094644 is an apocalyptic number.

It is an amenable number.

625094644 is a deficient number, since it is larger than the sum of its proper divisors (516382700).

625094644 is a wasteful number, since it uses less digits than its factorization.

625094644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794534 (or 6794532 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 625094644 is about 25001.8928083455. The cubic root of 625094644 is about 855.0311282170.

The spelling of 625094644 in words is "six hundred twenty-five million, ninety-four thousand, six hundred forty-four".