545253252 has 12 divisors (see below), whose sum is σ = 1272257616. Its totient is φ = 181751080.

The previous prime is 545253229. The next prime is 545253253. The reversal of 545253252 is 252352545.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×545253252² = 594602217633151008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545253253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22718874 + ... + 22718897.

It is an arithmetic number, because the mean of its divisors is an integer number (106021468).

Almost surely, 2^545253252 is an apocalyptic number.

It is an amenable number.

545253252 is an abundant number, since it is smaller than the sum of its proper divisors (727004364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545253252 is a wasteful number, since it uses less digits than its factorization.

545253252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45437778 (or 45437776 counting only the distinct ones).

The product of its digits is 60000, while the sum is 33.

The square root of 545253252 is about 23350.6584917856. The cubic root of 545253252 is about 816.9574198008.

The spelling of 545253252 in words is "five hundred forty-five million, two hundred fifty-three thousand, two hundred fifty-two".