621925027 has 4 divisors (see below), whose sum is σ = 622156480. Its totient is φ = 621693576.

The previous prime is 621925001. The next prime is 621925067. The reversal of 621925027 is 720529126.

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 621925027 - 2¹¹ = 621922979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621924983 and 621925001.

It is not an unprimeable number, because it can be changed into a prime (621925067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111648 + ... + 117085.

It is an arithmetic number, because the mean of its divisors is an integer number (155539120).

Almost surely, 2^621925027 is an apocalyptic number.

621925027 is a deficient number, since it is larger than the sum of its proper divisors (231453).

621925027 is a wasteful number, since it uses less digits than its factorization.

621925027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231452.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 621925027 is about 24938.4247096724. The cubic root of 621925027 is about 853.5834995326.

The spelling of 621925027 in words is "six hundred twenty-one million, nine hundred twenty-five thousand, twenty-seven".