626413567 has 4 divisors (see below), whose sum is σ = 674599240. Its totient is φ = 578227896.

The previous prime is 626413549. The next prime is 626413577. The reversal of 626413567 is 765314626.

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 626413567 - 2²⁷ = 492195839 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 (626413507) 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, 24092817 + ... + 24092842.

It is an arithmetic number, because the mean of its divisors is an integer number (168649810).

Almost surely, 2^626413567 is an apocalyptic number.

626413567 is a deficient number, since it is larger than the sum of its proper divisors (48185673).

626413567 is a wasteful number, since it uses less digits than its factorization.

626413567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48185672.

The product of its digits is 181440, while the sum is 40.

The square root of 626413567 is about 25028.2553726783. The cubic root of 626413567 is about 855.6320654846.

The spelling of 626413567 in words is "six hundred twenty-six million, four hundred thirteen thousand, five hundred sixty-seven".