1253696481 has 8 divisors (see below), whose sum is σ = 1857328160. Its totient is φ = 835797636.

The previous prime is 1253696473. The next prime is 1253696597. The reversal of 1253696481 is 1846963521.

It is not a de Polignac number, because 1253696481 - 2³ = 1253696473 is a prime.

It is a super-2 number, since 2×1253696481² = 3143509732943566722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253696881) 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 7 ways as a sum of consecutive naturals, for example, 23216575 + ... + 23216628.

It is an arithmetic number, because the mean of its divisors is an integer number (232166020).

Almost surely, 2^1253696481 is an apocalyptic number.

It is an amenable number.

1253696481 is a deficient number, since it is larger than the sum of its proper divisors (603631679).

1253696481 is an equidigital number, since it uses as much as digits as its factorization.

1253696481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46433212 (or 46433206 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1253696481 is about 35407.5766044501. The cubic root of 1253696481 is about 1078.2781436292.

The spelling of 1253696481 in words is "one billion, two hundred fifty-three million, six hundred ninety-six thousand, four hundred eighty-one".