252134049 has 4 divisors (see below), whose sum is σ = 336178736. Its totient is φ = 168089364.

The previous prime is 252134041. The next prime is 252134087. The reversal of 252134049 is 940431252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252134049 - 2³ = 252134041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252134041) 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, 42022339 + ... + 42022344.

It is an arithmetic number, because the mean of its divisors is an integer number (84044684).

Almost surely, 2^252134049 is an apocalyptic number.

It is an amenable number.

252134049 is a deficient number, since it is larger than the sum of its proper divisors (84044687).

252134049 is an equidigital number, since it uses as much as digits as its factorization.

252134049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84044686.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 252134049 is about 15878.7294516910. The cubic root of 252134049 is about 631.7479374906.

The spelling of 252134049 in words is "two hundred fifty-two million, one hundred thirty-four thousand, forty-nine".