252289454 has 4 divisors (see below), whose sum is σ = 378434184. Its totient is φ = 126144726.

The previous prime is 252289403. The next prime is 252289463. The reversal of 252289454 is 454982252.

It is a happy number.

252289454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63072362 + ... + 63072365.

It is an arithmetic number, because the mean of its divisors is an integer number (94608546).

Almost surely, 2^252289454 is an apocalyptic number.

252289454 is a deficient number, since it is larger than the sum of its proper divisors (126144730).

252289454 is a wasteful number, since it uses less digits than its factorization.

252289454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126144729.

The product of its digits is 230400, while the sum is 41.

The square root of 252289454 is about 15883.6221939456. The cubic root of 252289454 is about 631.8777052666.

The spelling of 252289454 in words is "two hundred fifty-two million, two hundred eighty-nine thousand, four hundred fifty-four".