1253252231 has 16 divisors (see below), whose sum is σ = 1564738560. Its totient is φ = 975158880.

The previous prime is 1253252183. The next prime is 1253252233. The reversal of 1253252231 is 1322523521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1253252231 - 2⁶ = 1253252167 is a prime.

It is a super-2 number, since 2×1253252231² = 3141282309012954722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253252231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253252233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44045 + ... + 66681.

It is an arithmetic number, because the mean of its divisors is an integer number (97796160).

Almost surely, 2^1253252231 is an apocalyptic number.

1253252231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1253252231 is a deficient number, since it is larger than the sum of its proper divisors (311486329).

1253252231 is a wasteful number, since it uses less digits than its factorization.

1253252231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23374.

The product of its digits is 3600, while the sum is 26.

The square root of 1253252231 is about 35401.3026737718. The cubic root of 1253252231 is about 1078.1507652021.

Adding to 1253252231 its reverse (1322523521), we get a palindrome (2575775752).

The spelling of 1253252231 in words is "one billion, two hundred fifty-three million, two hundred fifty-two thousand, two hundred thirty-one".