252425999 has 6 divisors (see below), whose sum is σ = 293638464. Its totient is φ = 216365100.

The previous prime is 252425993. The next prime is 252426007. The reversal of 252425999 is 999524252.

It is not a de Polignac number, because 252425999 - 2⁸ = 252425743 is a prime.

It is a super-2 number, since 2×252425999² = 127437769942296002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252425993) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2575727 + ... + 2575824.

It is an arithmetic number, because the mean of its divisors is an integer number (48939744).

Almost surely, 2^252425999 is an apocalyptic number.

252425999 is a deficient number, since it is larger than the sum of its proper divisors (41212465).

252425999 is an equidigital number, since it uses as much as digits as its factorization.

252425999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151565 (or 5151558 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 252425999 is about 15887.9199079049. The cubic root of 252425999 is about 631.9916804104.

The spelling of 252425999 in words is "two hundred fifty-two million, four hundred twenty-five thousand, nine hundred ninety-nine".