252705902 has 8 divisors (see below), whose sum is σ = 379615896. Its totient is φ = 126167272.

The previous prime is 252705881. The next prime is 252705923. The reversal of 252705902 is 209507252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252705881) and next prime (252705923).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91133 + ... + 93864.

It is an arithmetic number, because the mean of its divisors is an integer number (47451987).

Almost surely, 2^252705902 is an apocalyptic number.

252705902 is a deficient number, since it is larger than the sum of its proper divisors (126909994).

252705902 is a wasteful number, since it uses less digits than its factorization.

252705902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185682.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 252705902 is about 15896.7261409386. The cubic root of 252705902 is about 632.2251891408.

The spelling of 252705902 in words is "two hundred fifty-two million, seven hundred five thousand, nine hundred two".