354320671 has 2 divisors, whose sum is σ = 354320672. Its totient is φ = 354320670.

The previous prime is 354320641. The next prime is 354320689. The reversal of 354320671 is 176023453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354320671 - 2⁹ = 354320159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354320641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177160335 + 177160336.

It is an arithmetic number, because the mean of its divisors is an integer number (177160336).

Almost surely, 2^354320671 is an apocalyptic number.

354320671 is a deficient number, since it is larger than the sum of its proper divisors (1).

354320671 is an equidigital number, since it uses as much as digits as its factorization.

354320671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 354320671 is about 18823.4075289253. The cubic root of 354320671 is about 707.6179318700.

The spelling of 354320671 in words is "three hundred fifty-four million, three hundred twenty thousand, six hundred seventy-one".