252149811 has 8 divisors (see below), whose sum is σ = 340805520. Its totient is φ = 165796992.

The previous prime is 252149791. The next prime is 252149813. The reversal of 252149811 is 118941252.

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

It is not a de Polignac number, because 252149811 - 2⁷ = 252149683 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (252149813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575466 + ... + 575903.

It is an arithmetic number, because the mean of its divisors is an integer number (42600690).

Almost surely, 2^252149811 is an apocalyptic number.

252149811 is a deficient number, since it is larger than the sum of its proper divisors (88655709).

252149811 is a wasteful number, since it uses less digits than its factorization.

252149811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151445.

The product of its digits is 5760, while the sum is 33.

The square root of 252149811 is about 15879.2257682798. The cubic root of 252149811 is about 631.7611016567.

The spelling of 252149811 in words is "two hundred fifty-two million, one hundred forty-nine thousand, eight hundred eleven".