623245225 has 12 divisors (see below), whose sum is σ = 790798096. Its totient is φ = 487000080.

The previous prime is 623245219. The next prime is 623245253. The reversal of 623245225 is 522542326.

It is not a de Polignac number, because 623245225 - 2¹¹ = 623243177 is a prime.

It is a super-2 number, since 2×623245225² = 776869220970601250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288807 + ... + 290956.

Almost surely, 2^623245225 is an apocalyptic number.

It is an amenable number.

623245225 is a deficient number, since it is larger than the sum of its proper divisors (167552871).

623245225 is a wasteful number, since it uses less digits than its factorization.

623245225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579816 (or 579811 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 623245225 is about 24964.8798314753. The cubic root of 623245225 is about 854.1870571641.

The spelling of 623245225 in words is "six hundred twenty-three million, two hundred forty-five thousand, two hundred twenty-five".