252661151 has 2 divisors, whose sum is σ = 252661152. Its totient is φ = 252661150.

The previous prime is 252661127. The next prime is 252661153. The reversal of 252661151 is 151166252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252661151 - 2¹⁰ = 252660127 is a prime.

Together with 252661153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252661153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126330575 + 126330576.

It is an arithmetic number, because the mean of its divisors is an integer number (126330576).

Almost surely, 2^252661151 is an apocalyptic number.

252661151 is a deficient number, since it is larger than the sum of its proper divisors (1).

252661151 is an equidigital number, since it uses as much as digits as its factorization.

252661151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 252661151 is about 15895.3185246474. The cubic root of 252661151 is about 632.1878672586.

The spelling of 252661151 in words is "two hundred fifty-two million, six hundred sixty-one thousand, one hundred fifty-one".