253811046 has 32 divisors (see below), whose sum is σ = 522466560. Its totient is φ = 82139616.

The previous prime is 253811021. The next prime is 253811099. The reversal of 253811046 is 640118352.

253811046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253811046² = 128840094143228232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136495 + ... + 138341.

It is an arithmetic number, because the mean of its divisors is an integer number (16327080).

Almost surely, 2^253811046 is an apocalyptic number.

253811046 is an abundant number, since it is smaller than the sum of its proper divisors (268655514).

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

253811046 is a wasteful number, since it uses less digits than its factorization.

253811046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 253811046 is about 15931.4483334065. The cubic root of 253811046 is about 633.1454734298.

Adding to 253811046 its reverse (640118352), we get a palindrome (893929398).

The spelling of 253811046 in words is "two hundred fifty-three million, eight hundred eleven thousand, forty-six".