625068613 has 4 divisors (see below), whose sum is σ = 673150828. Its totient is φ = 576986400.

The previous prime is 625068607. The next prime is 625068617. The reversal of 625068613 is 316860526.

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 361266049 + 263802564 = 19007^2 + 16242^2 .

It is a cyclic number.

It is not a de Polignac number, because 625068613 - 2¹³ = 625060421 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 (625068617) 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, 24041088 + ... + 24041113.

It is an arithmetic number, because the mean of its divisors is an integer number (168287707).

Almost surely, 2^625068613 is an apocalyptic number.

It is an amenable number.

625068613 is a deficient number, since it is larger than the sum of its proper divisors (48082215).

625068613 is a wasteful number, since it uses less digits than its factorization.

625068613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48082214.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 625068613 is about 25001.3722223401. The cubic root of 625068613 is about 855.0192592814.

It can be divided in two parts, 625068 and 613, that added together give a square (625681 = 791²).

The spelling of 625068613 in words is "six hundred twenty-five million, sixty-eight thousand, six hundred thirteen".