1252504231 has 16 divisors (see below), whose sum is σ = 1397455488. Its totient is φ = 1112997600.

The previous prime is 1252504219. The next prime is 1252504241. The reversal of 1252504231 is 1324052521.

It is not a de Polignac number, because 1252504231 - 2⁷ = 1252504103 is a prime.

It is a super-2 number, since 2×1252504231² = 3137533697345802722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252504196 and 1252504205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252504241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90061 + ... + 103033.

It is an arithmetic number, because the mean of its divisors is an integer number (87340968).

Almost surely, 2^1252504231 is an apocalyptic number.

1252504231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1252504231 is a deficient number, since it is larger than the sum of its proper divisors (144951257).

1252504231 is a wasteful number, since it uses less digits than its factorization.

1252504231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1252504231 is about 35390.7365139523. The cubic root of 1252504231 is about 1077.9362254498.

Adding to 1252504231 its reverse (1324052521), we get a palindrome (2576556752).

The spelling of 1252504231 in words is "one billion, two hundred fifty-two million, five hundred four thousand, two hundred thirty-one".