622512325 has 6 divisors (see below), whose sum is σ = 771915314. Its totient is φ = 498009840.

The previous prime is 622512311. The next prime is 622512353. The reversal of 622512325 is 523215226.

It can be written as a sum of positive squares in 3 ways, for example, as 1954404 + 620557921 = 1398^2 + 24911^2 .

It is not a de Polignac number, because 622512325 - 2¹¹ = 622510277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622512293 and 622512302.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 12450222 + ... + 12450271.

Almost surely, 2^622512325 is an apocalyptic number.

It is an amenable number.

622512325 is a deficient number, since it is larger than the sum of its proper divisors (149402989).

622512325 is a wasteful number, since it uses less digits than its factorization.

622512325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900503 (or 24900498 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 622512325 is about 24950.1968930107. The cubic root of 622512325 is about 853.8521011294.

The spelling of 622512325 in words is "six hundred twenty-two million, five hundred twelve thousand, three hundred twenty-five".