354313261 has 4 divisors (see below), whose sum is σ = 354397792. Its totient is φ = 354228732.

The previous prime is 354313247. The next prime is 354313277. The reversal of 354313261 is 162313453.

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: 162313453 = 1019 ⋅159287.

It is a cyclic number.

It is not a de Polignac number, because 354313261 - 2¹³ = 354305069 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 (354313241) 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, 35631 + ... + 44476.

It is an arithmetic number, because the mean of its divisors is an integer number (88599448).

Almost surely, 2^354313261 is an apocalyptic number.

It is an amenable number.

354313261 is a deficient number, since it is larger than the sum of its proper divisors (84531).

354313261 is an equidigital number, since it uses as much as digits as its factorization.

354313261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84530.

The product of its digits is 6480, while the sum is 28.

The square root of 354313261 is about 18823.2106984967. The cubic root of 354313261 is about 707.6129989699.

The spelling of 354313261 in words is "three hundred fifty-four million, three hundred thirteen thousand, two hundred sixty-one".