252134261 has 2 divisors, whose sum is σ = 252134262. Its totient is φ = 252134260.

The previous prime is 252134251. The next prime is 252134287. The reversal of 252134261 is 162431252.

It is a happy number.

It is an a-pointer prime, because the next prime (252134287) can be obtained adding 252134261 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215531761 + 36602500 = 14681^2 + 6050^2 .

It is a cyclic number.

It is not a de Polignac number, because 252134261 - 2¹⁰ = 252133237 is a prime.

It is a super-2 number, since 2×252134261² = 127143371140032242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252134261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252134251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126067130 + 126067131.

It is an arithmetic number, because the mean of its divisors is an integer number (126067131).

Almost surely, 2^252134261 is an apocalyptic number.

It is an amenable number.

252134261 is a deficient number, since it is larger than the sum of its proper divisors (1).

252134261 is an equidigital number, since it uses as much as digits as its factorization.

252134261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 252134261 is about 15878.7361272867. The cubic root of 252134261 is about 631.7481145532.

The spelling of 252134261 in words is "two hundred fifty-two million, one hundred thirty-four thousand, two hundred sixty-one".