1253481 has 8 divisors (see below), whose sum is σ = 1677984. Its totient is φ = 832320.

The previous prime is 1253479. The next prime is 1253513. The reversal of 1253481 is 1843521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1253481 - 2¹ = 1253479 is a prime.

It is a super-2 number, since 2×1253481² = 3142429234722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1253401) 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, 241 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (209748).

2^1253481 is an apocalyptic number.

It is an amenable number.

1253481 is a deficient number, since it is larger than the sum of its proper divisors (424503).

1253481 is a wasteful number, since it uses less digits than its factorization.

1253481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its digits is 960, while the sum is 24.

The square root of 1253481 is about 1119.5896569726. The cubic root of 1253481 is about 107.8216363188.

Subtracting from 1253481 its product of digits (960), we obtain a palindrome (1252521).

The spelling of 1253481 in words is "one million, two hundred fifty-three thousand, four hundred eighty-one".