252763438 has 16 divisors (see below), whose sum is σ = 383040000. Its totient is φ = 125089272.

The previous prime is 252763421. The next prime is 252763447. The reversal of 252763438 is 834367252.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 252763438.

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, 104163 + ... + 106561.

It is an arithmetic number, because the mean of its divisors is an integer number (23940000).

Almost surely, 2^252763438 is an apocalyptic number.

252763438 is a deficient number, since it is larger than the sum of its proper divisors (130276562).

252763438 is a wasteful number, since it uses less digits than its factorization.

252763438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919.

The product of its digits is 241920, while the sum is 40.

The square root of 252763438 is about 15898.5357187384. The cubic root of 252763438 is about 632.2731671103.

The spelling of 252763438 in words is "two hundred fifty-two million, seven hundred sixty-three thousand, four hundred thirty-eight".