252354661 has 16 divisors (see below), whose sum is σ = 278425728. Its totient is φ = 227304000.

The previous prime is 252354589. The next prime is 252354667. The reversal of 252354661 is 166453252.

It is a cyclic number.

It is not a de Polignac number, because 252354661 - 2⁹ = 252354149 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 (252354667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91870 + ... + 94576.

It is an arithmetic number, because the mean of its divisors is an integer number (17401608).

Almost surely, 2^252354661 is an apocalyptic number.

It is an amenable number.

252354661 is a deficient number, since it is larger than the sum of its proper divisors (26071067).

252354661 is a wasteful number, since it uses less digits than its factorization.

252354661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892.

The product of its digits is 43200, while the sum is 34.

The square root of 252354661 is about 15885.6747102539. The cubic root of 252354661 is about 631.9321391713.

The spelling of 252354661 in words is "two hundred fifty-two million, three hundred fifty-four thousand, six hundred sixty-one".