252126061 has 4 divisors (see below), whose sum is σ = 275046624. Its totient is φ = 229205500.

The previous prime is 252126037. The next prime is 252126073. The reversal of 252126061 is 160621252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252126061 - 2¹¹ = 252124013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252126011) 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, 11460265 + ... + 11460286.

It is an arithmetic number, because the mean of its divisors is an integer number (68761656).

Almost surely, 2^252126061 is an apocalyptic number.

It is an amenable number.

252126061 is a deficient number, since it is larger than the sum of its proper divisors (22920563).

252126061 is a wasteful number, since it uses less digits than its factorization.

252126061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22920562.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 252126061 is about 15878.4779182389. The cubic root of 252126061 is about 631.7412658334.

It can be divided in two parts, 2521 and 26061, that added together give a palindrome (28582).

The spelling of 252126061 in words is "two hundred fifty-two million, one hundred twenty-six thousand, sixty-one".