252425861 has 8 divisors (see below), whose sum is σ = 258021120. Its totient is φ = 246840048.

The previous prime is 252425827. The next prime is 252425881. The reversal of 252425861 is 168524252.

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 252425861 - 2¹⁴ = 252409477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252425821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94040 + ... + 96686.

It is an arithmetic number, because the mean of its divisors is an integer number (32252640).

Almost surely, 2^252425861 is an apocalyptic number.

It is an amenable number.

252425861 is a deficient number, since it is larger than the sum of its proper divisors (5595259).

252425861 is a wasteful number, since it uses less digits than its factorization.

252425861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its digits is 38400, while the sum is 35.

The square root of 252425861 is about 15887.9155649821. The cubic root of 252425861 is about 631.9915652415.

The spelling of 252425861 in words is "two hundred fifty-two million, four hundred twenty-five thousand, eight hundred sixty-one".