349253 has 4 divisors (see below), whose sum is σ = 350688. Its totient is φ = 347820.

The previous prime is 349241. The next prime is 349291. The reversal of 349253 is 352943.

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, and also an emirpimes, since its reverse is a distinct semiprime: 352943 = 37 ⋅9539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349253.

It is not an unprimeable number, because it can be changed into a prime (349553) 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, 251 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (87672).

2³⁴⁹²⁵³ is an apocalyptic number.

It is an amenable number.

349253 is a deficient number, since it is larger than the sum of its proper divisors (1435).

349253 is a wasteful number, since it uses less digits than its factorization.

349253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 3240, while the sum is 26.

The square root of 349253 is about 590.9763108619. The cubic root of 349253 is about 70.4228151131.

The spelling of 349253 in words is "three hundred forty-nine thousand, two hundred fifty-three".