225002539 has 2 divisors, whose sum is σ = 225002540. Its totient is φ = 225002538.

The previous prime is 225002483. The next prime is 225002551. The reversal of 225002539 is 935200522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225002539 - 2⁷ = 225002411 is a prime.

It is a super-2 number, since 2×225002539² = 101252285112893042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225002339) by changing a digit.

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 as a sum of consecutive naturals, namely, 112501269 + 112501270.

It is an arithmetic number, because the mean of its divisors is an integer number (112501270).

Almost surely, 2^225002539 is an apocalyptic number.

225002539 is a deficient number, since it is larger than the sum of its proper divisors (1).

225002539 is an equidigital number, since it uses as much as digits as its factorization.

225002539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 225002539 is about 15000.0846330946. The cubic root of 225002539 is about 608.2224873578. Note that the first 3 decimals are identical.

The spelling of 225002539 in words is "two hundred twenty-five million, two thousand, five hundred thirty-nine".