621014425 has 12 divisors (see below), whose sum is σ = 771297856. Its totient is φ = 496011600.

The previous prime is 621014419. The next prime is 621014473. The reversal of 621014425 is 524410126.

It is a happy number.

621014425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 621014425 - 2¹¹ = 621012377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 621014425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3909 + ... + 35458.

Almost surely, 2^621014425 is an apocalyptic number.

It is an amenable number.

621014425 is a deficient number, since it is larger than the sum of its proper divisors (150283431).

621014425 is a wasteful number, since it uses less digits than its factorization.

621014425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40008 (or 40003 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 621014425 is about 24920.1610147286. The cubic root of 621014425 is about 853.1666998272.

The spelling of 621014425 in words is "six hundred twenty-one million, fourteen thousand, four hundred twenty-five".