253444012 has 24 divisors (see below), whose sum is σ = 448358400. Its totient is φ = 125349840.

The previous prime is 253443991. The next prime is 253444013. The reversal of 253444012 is 210444352.

It is a happy number.

It is a super-2 number, since 2×253444012² = 128467734437312288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253444013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151203 + ... + 152869.

It is an arithmetic number, because the mean of its divisors is an integer number (18681600).

Almost surely, 2^253444012 is an apocalyptic number.

It is an amenable number.

253444012 is a deficient number, since it is larger than the sum of its proper divisors (194914388).

253444012 is a wasteful number, since it uses less digits than its factorization.

253444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 253444012 is about 15919.9249998233. The cubic root of 253444012 is about 632.8401307657.

Adding to 253444012 its reverse (210444352), we get a palindrome (463888364).

The spelling of 253444012 in words is "two hundred fifty-three million, four hundred forty-four thousand, twelve".