625694063 has 4 divisors (see below), whose sum is σ = 625785000. Its totient is φ = 625603128.

The previous prime is 625694059. The next prime is 625694101. The reversal of 625694063 is 360496526.

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

It is a cyclic number.

It is not a de Polignac number, because 625694063 - 2² = 625694059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625694063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625693063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34220 + ... + 49217.

It is an arithmetic number, because the mean of its divisors is an integer number (156446250).

Almost surely, 2^625694063 is an apocalyptic number.

625694063 is a deficient number, since it is larger than the sum of its proper divisors (90937).

625694063 is an equidigital number, since it uses as much as digits as its factorization.

625694063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90936.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 625694063 is about 25013.8774083507. The cubic root of 625694063 is about 855.3043445332.

The spelling of 625694063 in words is "six hundred twenty-five million, six hundred ninety-four thousand, sixty-three".