252126065 has 8 divisors (see below), whose sum is σ = 320348520. Its totient is φ = 189836032.

The previous prime is 252126037. The next prime is 252126073. The reversal of 252126065 is 560621252.

252126065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122257249 + 129868816 = 11057^2 + 11396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252126065 - 2¹⁴ = 252109681 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483010 + ... + 1483179.

It is an arithmetic number, because the mean of its divisors is an integer number (40043565).

Almost surely, 2^252126065 is an apocalyptic number.

It is an amenable number.

252126065 is a deficient number, since it is larger than the sum of its proper divisors (68222455).

252126065 is a wasteful number, since it uses less digits than its factorization.

252126065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966211.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 252126065 is about 15878.4780441955. The cubic root of 252126065 is about 631.7412691743.

The spelling of 252126065 in words is "two hundred fifty-two million, one hundred twenty-six thousand, sixty-five".