252271501 has 2 divisors, whose sum is σ = 252271502. Its totient is φ = 252271500.

The previous prime is 252271499. The next prime is 252271519. The reversal of 252271501 is 105172252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220077225 + 32194276 = 14835^2 + 5674^2 .

It is a cyclic number.

It is not a de Polignac number, because 252271501 - 2¹ = 252271499 is a prime.

Together with 252271499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252271561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126135750 + 126135751.

It is an arithmetic number, because the mean of its divisors is an integer number (126135751).

Almost surely, 2^252271501 is an apocalyptic number.

It is an amenable number.

252271501 is a deficient number, since it is larger than the sum of its proper divisors (1).

252271501 is an equidigital number, since it uses as much as digits as its factorization.

252271501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 252271501 is about 15883.0570420181. The cubic root of 252271501 is about 631.8627167031.

The spelling of 252271501 in words is "two hundred fifty-two million, two hundred seventy-one thousand, five hundred one".