252991453 has 8 divisors (see below), whose sum is σ = 297220896. Its totient is φ = 212300400.

The previous prime is 252991439. The next prime is 252991457. The reversal of 252991453 is 354199252.

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

It is not a de Polignac number, because 252991453 - 2¹⁷ = 252860381 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 (252991457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884443 + ... + 884728.

It is an arithmetic number, because the mean of its divisors is an integer number (37152612).

Almost surely, 2^252991453 is an apocalyptic number.

It is an amenable number.

252991453 is a deficient number, since it is larger than the sum of its proper divisors (44229443).

252991453 is a wasteful number, since it uses less digits than its factorization.

252991453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769195.

The product of its digits is 97200, while the sum is 40.

The square root of 252991453 is about 15905.7050456746. The cubic root of 252991453 is about 632.4632320954.

The spelling of 252991453 in words is "two hundred fifty-two million, nine hundred ninety-one thousand, four hundred fifty-three".