252054561 has 32 divisors (see below), whose sum is σ = 377100288. Its totient is φ = 148443840.

The previous prime is 252054559. The next prime is 252054571. The reversal of 252054561 is 165450252.

It is not a de Polignac number, because 252054561 - 2¹ = 252054559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252054571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252315 + ... + 253311.

It is an arithmetic number, because the mean of its divisors is an integer number (11784384).

Almost surely, 2^252054561 is an apocalyptic number.

It is an amenable number.

252054561 is a deficient number, since it is larger than the sum of its proper divisors (125045727).

252054561 is a wasteful number, since it uses less digits than its factorization.

252054561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 252054561 is about 15876.2262833458. The cubic root of 252054561 is about 631.6815420443.

The spelling of 252054561 in words is "two hundred fifty-two million, fifty-four thousand, five hundred sixty-one".