354047261 has 4 divisors (see below), whose sum is σ = 360727452. Its totient is φ = 347367072.

The previous prime is 354047227. The next prime is 354047263. The reversal of 354047261 is 162740453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196168036 + 157879225 = 14006^2 + 12565^2 .

It is a cyclic number.

It is not a de Polignac number, because 354047261 - 2²⁶ = 286938397 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 (354047263) 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, 3340016 + ... + 3340121.

It is an arithmetic number, because the mean of its divisors is an integer number (90181863).

Almost surely, 2^354047261 is an apocalyptic number.

It is an amenable number.

354047261 is a deficient number, since it is larger than the sum of its proper divisors (6680191).

354047261 is an equidigital number, since it uses as much as digits as its factorization.

354047261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680190.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 354047261 is about 18816.1436272154. The cubic root of 354047261 is about 707.4358749375.

The spelling of 354047261 in words is "three hundred fifty-four million, forty-seven thousand, two hundred sixty-one".