1255349 has 4 divisors (see below), whose sum is σ = 1321440. Its totient is φ = 1189260.

The previous prime is 1255337. The next prime is 1255357. The reversal of 1255349 is 9435521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1255349 - 2⁴ = 1255333 is a prime.

It is a super-2 number, since 2×1255349² = 3151802223602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33017 + ... + 33054.

It is an arithmetic number, because the mean of its divisors is an integer number (330360).

2^1255349 is an apocalyptic number.

1255349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1255349 is a deficient number, since it is larger than the sum of its proper divisors (66091).

1255349 is an equidigital number, since it uses as much as digits as its factorization.

1255349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66090.

The product of its digits is 5400, while the sum is 29.

The square root of 1255349 is about 1120.4235806158. The cubic root of 1255349 is about 107.8751701308.

Subtracting from 1255349 its sum of digits (29), we obtain a triangular number (1255320 = T₁₅₈₄).

The spelling of 1255349 in words is "one million, two hundred fifty-five thousand, three hundred forty-nine".