625894597 has 4 divisors (see below), whose sum is σ = 636503040. Its totient is φ = 615286156.

The previous prime is 625894589. The next prime is 625894603. The reversal of 625894597 is 795498526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 795498526 = 2 ⋅397749263.

It is a cyclic number.

It is not a de Polignac number, because 625894597 - 2³ = 625894589 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 (625894517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304133 + ... + 5304250.

It is an arithmetic number, because the mean of its divisors is an integer number (159125760).

Almost surely, 2^625894597 is an apocalyptic number.

It is an amenable number.

625894597 is a deficient number, since it is larger than the sum of its proper divisors (10608443).

625894597 is a wasteful number, since it uses less digits than its factorization.

625894597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608442.

The product of its digits is 5443200, while the sum is 55.

The square root of 625894597 is about 25017.8855421476. The cubic root of 625894597 is about 855.3957093557.

The spelling of 625894597 in words is "six hundred twenty-five million, eight hundred ninety-four thousand, five hundred ninety-seven".