621607485 has 16 divisors (see below), whose sum is σ = 1008581760. Its totient is φ = 326854080.

The previous prime is 621607451. The next prime is 621607487. The reversal of 621607485 is 584706126.

It is not a de Polignac number, because 621607485 - 2⁸ = 621607229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621607487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290770 + ... + 292899.

It is an arithmetic number, because the mean of its divisors is an integer number (63036360).

Almost surely, 2^621607485 is an apocalyptic number.

It is an amenable number.

621607485 is a deficient number, since it is larger than the sum of its proper divisors (386974275).

621607485 is a wasteful number, since it uses less digits than its factorization.

621607485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583748.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 621607485 is about 24932.0573759969. The cubic root of 621607485 is about 853.4382007996.

The spelling of 621607485 in words is "six hundred twenty-one million, six hundred seven thousand, four hundred eighty-five".