625485629 has 4 divisors (see below), whose sum is σ = 642390684. Its totient is φ = 608580576.

The previous prime is 625485617. The next prime is 625485649. The reversal of 625485629 is 926584526.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 466776025 + 158709604 = 21605^2 + 12598^2 .

It is a cyclic number.

It is not a de Polignac number, because 625485629 - 2⁴ = 625485613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625485649) 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, 8452472 + ... + 8452545.

It is an arithmetic number, because the mean of its divisors is an integer number (160597671).

Almost surely, 2^625485629 is an apocalyptic number.

It is an amenable number.

625485629 is a deficient number, since it is larger than the sum of its proper divisors (16905055).

625485629 is a wasteful number, since it uses less digits than its factorization.

625485629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905054.

The product of its digits is 1036800, while the sum is 47.

The square root of 625485629 is about 25009.7106940484. The cubic root of 625485629 is about 855.2093597178.

The spelling of 625485629 in words is "six hundred twenty-five million, four hundred eighty-five thousand, six hundred twenty-nine".