201252839 has 8 divisors (see below), whose sum is σ = 204346800. Its totient is φ = 198174976.

The previous prime is 201252809. The next prime is 201252853. The reversal of 201252839 is 938252102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201252839 - 2¹² = 201248743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201252809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22487 + ... + 30135.

It is an arithmetic number, because the mean of its divisors is an integer number (25543350).

Almost surely, 2^201252839 is an apocalyptic number.

201252839 is a deficient number, since it is larger than the sum of its proper divisors (3093961).

201252839 is an equidigital number, since it uses as much as digits as its factorization.

201252839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8049.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 201252839 is about 14186.3610203604. The cubic root of 201252839 is about 586.0221145463.

The spelling of 201252839 in words is "two hundred one million, two hundred fifty-two thousand, eight hundred thirty-nine".