1253811310 has 32 divisors (see below), whose sum is σ = 2283651072. Its totient is φ = 495603360.

The previous prime is 1253811289. The next prime is 1253811313. The reversal of 1253811310 is 131183521.

It is a super-2 number, since 2×1253811310² = 3144085602167832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253811313) 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, 342349 + ... + 345991.

It is an arithmetic number, because the mean of its divisors is an integer number (71364096).

Almost surely, 2^1253811310 is an apocalyptic number.

1253811310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253811310 is a deficient number, since it is larger than the sum of its proper divisors (1029839762).

1253811310 is a wasteful number, since it uses less digits than its factorization.

1253811310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1253811310 is about 35409.1980987991. The cubic root of 1253811310 is about 1078.3110632986.

Adding to 1253811310 its reverse (131183521), we get a palindrome (1384994831).

The spelling of 1253811310 in words is "one billion, two hundred fifty-three million, eight hundred eleven thousand, three hundred ten".