252149767 has 8 divisors (see below), whose sum is σ = 255480624. Its totient is φ = 248826048.

The previous prime is 252149699. The next prime is 252149771. The reversal of 252149767 is 767941252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252149767 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252140767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142963 + ... + 144715.

It is an arithmetic number, because the mean of its divisors is an integer number (31935078).

Almost surely, 2^252149767 is an apocalyptic number.

252149767 is a deficient number, since it is larger than the sum of its proper divisors (3330857).

252149767 is a wasteful number, since it uses less digits than its factorization.

252149767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569.

The product of its digits is 211680, while the sum is 43.

The square root of 252149767 is about 15879.2243828217. The cubic root of 252149767 is about 631.7610649093.

The spelling of 252149767 in words is "two hundred fifty-two million, one hundred forty-nine thousand, seven hundred sixty-seven".