252441555 has 8 divisors (see below), whose sum is σ = 403906512. Its totient is φ = 134635488.

The previous prime is 252441547. The next prime is 252441557. The reversal of 252441555 is 555144252.

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

It is not a de Polignac number, because 252441555 - 2³ = 252441547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252441557) 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, 8414704 + ... + 8414733.

It is an arithmetic number, because the mean of its divisors is an integer number (50488314).

Almost surely, 2^252441555 is an apocalyptic number.

252441555 is a deficient number, since it is larger than the sum of its proper divisors (151464957).

252441555 is a wasteful number, since it uses less digits than its factorization.

252441555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16829445.

The product of its digits is 40000, while the sum is 33.

The square root of 252441555 is about 15888.4094546937. The cubic root of 252441555 is about 632.0046625130.

The spelling of 252441555 in words is "two hundred fifty-two million, four hundred forty-one thousand, five hundred fifty-five".