252633851 has 4 divisors (see below), whose sum is σ = 253046592. Its totient is φ = 252221112.

The previous prime is 252633839. The next prime is 252633859. The reversal of 252633851 is 158336252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252633851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252633859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205451 + ... + 206676.

It is an arithmetic number, because the mean of its divisors is an integer number (63261648).

Almost surely, 2^252633851 is an apocalyptic number.

252633851 is a deficient number, since it is larger than the sum of its proper divisors (412741).

252633851 is an equidigital number, since it uses as much as digits as its factorization.

252633851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412740.

The product of its digits is 43200, while the sum is 35.

The square root of 252633851 is about 15894.4597580415. The cubic root of 252633851 is about 632.1650971700.

The spelling of 252633851 in words is "two hundred fifty-two million, six hundred thirty-three thousand, eight hundred fifty-one".