252291554 has 16 divisors (see below), whose sum is σ = 402345792. Its totient is φ = 118383408.

The previous prime is 252291553. The next prime is 252291569. The reversal of 252291554 is 455192252.

252291554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252291551) 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, 49304 + ... + 54179.

It is an arithmetic number, because the mean of its divisors is an integer number (25146612).

Almost surely, 2^252291554 is an apocalyptic number.

252291554 is a deficient number, since it is larger than the sum of its proper divisors (150054238).

252291554 is a wasteful number, since it uses less digits than its factorization.

252291554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103561.

The product of its digits is 36000, while the sum is 35.

The square root of 252291554 is about 15883.6882996362. The cubic root of 252291554 is about 631.8794584638.

The spelling of 252291554 in words is "two hundred fifty-two million, two hundred ninety-one thousand, five hundred fifty-four".