354297091 has 2 divisors, whose sum is σ = 354297092. Its totient is φ = 354297090.

The previous prime is 354297061. The next prime is 354297131. The reversal of 354297091 is 190792453.

It is an a-pointer prime, because the next prime (354297131) can be obtained adding 354297091 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (190792453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354297091 - 2¹¹ = 354295043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354297011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177148545 + 177148546.

It is an arithmetic number, because the mean of its divisors is an integer number (177148546).

Almost surely, 2^354297091 is an apocalyptic number.

354297091 is a deficient number, since it is larger than the sum of its proper divisors (1).

354297091 is an equidigital number, since it uses as much as digits as its factorization.

354297091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 354297091 is about 18822.7811706984. The cubic root of 354297091 is about 707.6022342244.

The spelling of 354297091 in words is "three hundred fifty-four million, two hundred ninety-seven thousand, ninety-one".