1353231 has 12 divisors (see below), whose sum is σ = 2132520. Its totient is φ = 820080.

The previous prime is 1353223. The next prime is 1353239. The reversal of 1353231 is 1323531.

It is an interprime number because it is at equal distance from previous prime (1353223) and next prime (1353239).

It is not a de Polignac number, because 1353231 - 2³ = 1353223 is a prime.

It is a super-2 number, since 2×1353231² = 3662468278722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6736 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (177710).

2^1353231 is an apocalyptic number.

1353231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1353231 is a deficient number, since it is larger than the sum of its proper divisors (779289).

1353231 is a wasteful number, since it uses less digits than its factorization.

1353231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13686 (or 13683 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1353231 is about 1163.2845739543. The cubic root of 1353231 is about 110.6090458655.

Adding to 1353231 its reverse (1323531), we get a palindrome (2676762).

The spelling of 1353231 in words is "one million, three hundred fifty-three thousand, two hundred thirty-one".