252105502 has 16 divisors (see below), whose sum is σ = 412831872. Its totient is φ = 114511320.

The previous prime is 252105499. The next prime is 252105527. The reversal of 252105502 is 205501252.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36013 + ... + 42439.

It is an arithmetic number, because the mean of its divisors is an integer number (25801992).

Almost surely, 2^252105502 is an apocalyptic number.

252105502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252105502 is a deficient number, since it is larger than the sum of its proper divisors (160726370).

252105502 is a wasteful number, since it uses less digits than its factorization.

252105502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 252105502 is about 15877.8305193121. The cubic root of 252105502 is about 631.7240941037.

Adding to 252105502 its reverse (205501252), we get a palindrome (457606754).

The spelling of 252105502 in words is "two hundred fifty-two million, one hundred five thousand, five hundred two".