252152101 has 4 divisors (see below), whose sum is σ = 256285804. Its totient is φ = 248018400.

The previous prime is 252152099. The next prime is 252152107. The reversal of 252152101 is 101251252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49773025 + 202379076 = 7055^2 + 14226^2 .

It is a cyclic number.

It is not a de Polignac number, because 252152101 - 2¹ = 252152099 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 (252152107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2066760 + ... + 2066881.

It is an arithmetic number, because the mean of its divisors is an integer number (64071451).

Almost surely, 2^252152101 is an apocalyptic number.

It is an amenable number.

252152101 is a deficient number, since it is larger than the sum of its proper divisors (4133703).

252152101 is an equidigital number, since it uses as much as digits as its factorization.

252152101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133702.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 252152101 is about 15879.2978749062. The cubic root of 252152101 is about 631.7630141818.

The spelling of 252152101 in words is "two hundred fifty-two million, one hundred fifty-two thousand, one hundred one".