343552253 has 4 divisors (see below), whose sum is σ = 374784288. Its totient is φ = 312320220.

The previous prime is 343552247. The next prime is 343552301. The reversal of 343552253 is 352255343.

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: 352255343 = 11 ⋅32023213.

It is a cyclic number.

It is not a de Polignac number, because 343552253 - 2¹⁸ = 343290109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343552213) 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, 15616001 + ... + 15616022.

It is an arithmetic number, because the mean of its divisors is an integer number (93696072).

Almost surely, 2^343552253 is an apocalyptic number.

It is an amenable number.

343552253 is a deficient number, since it is larger than the sum of its proper divisors (31232035).

343552253 is a wasteful number, since it uses less digits than its factorization.

343552253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31232034.

The product of its digits is 54000, while the sum is 32.

The square root of 343552253 is about 18535.1626105627. The cubic root of 343552253 is about 700.3754808685.

The spelling of 343552253 in words is "three hundred forty-three million, five hundred fifty-two thousand, two hundred fifty-three".