253034549 has 4 divisors (see below), whose sum is σ = 253066764. Its totient is φ = 253002336.

The previous prime is 253034513. The next prime is 253034629. The reversal of 253034549 is 945430352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 109202500 + 143832049 = 10450^2 + 11993^2 .

It is a cyclic number.

It is not a de Polignac number, because 253034549 - 2²⁰ = 251985973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253034149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (63266691).

Almost surely, 2^253034549 is an apocalyptic number.

It is an amenable number.

253034549 is a deficient number, since it is larger than the sum of its proper divisors (32215).

253034549 is a wasteful number, since it uses less digits than its factorization.

253034549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32214.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 253034549 is about 15907.0597220228. The cubic root of 253034549 is about 632.4991425153.

The spelling of 253034549 in words is "two hundred fifty-three million, thirty-four thousand, five hundred forty-nine".