252027137 has 4 divisors (see below), whose sum is σ = 256782420. Its totient is φ = 247271856.

The previous prime is 252027121. The next prime is 252027151. The reversal of 252027137 is 731720252.

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 119224561 + 132802576 = 10919^2 + 11524^2 .

It is a cyclic number.

It is not a de Polignac number, because 252027137 - 2⁴ = 252027121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252027107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377562 + ... + 2377667.

It is an arithmetic number, because the mean of its divisors is an integer number (64195605).

Almost surely, 2^252027137 is an apocalyptic number.

It is an amenable number.

252027137 is a deficient number, since it is larger than the sum of its proper divisors (4755283).

252027137 is an equidigital number, since it uses as much as digits as its factorization.

252027137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755282.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 252027137 is about 15875.3625785366. The cubic root of 252027137 is about 631.6586318421.

Adding to 252027137 its reverse (731720252), we get a palindrome (983747389).

The spelling of 252027137 in words is "two hundred fifty-two million, twenty-seven thousand, one hundred thirty-seven".