625428614 has 4 divisors (see below), whose sum is σ = 938142924. Its totient is φ = 312714306.

The previous prime is 625428613. The next prime is 625428631. The reversal of 625428614 is 416824526.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625428613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156357152 + ... + 156357155.

It is an arithmetic number, because the mean of its divisors is an integer number (234535731).

Almost surely, 2^625428614 is an apocalyptic number.

625428614 is a deficient number, since it is larger than the sum of its proper divisors (312714310).

625428614 is a wasteful number, since it uses less digits than its factorization.

625428614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312714309.

The product of its digits is 92160, while the sum is 38.

The square root of 625428614 is about 25008.5708108240. The cubic root of 625428614 is about 855.1833739125.

The spelling of 625428614 in words is "six hundred twenty-five million, four hundred twenty-eight thousand, six hundred fourteen".