354913997 has 2 divisors, whose sum is σ = 354913998. Its totient is φ = 354913996.

The previous prime is 354913991. The next prime is 354914033. The reversal of 354913997 is 799319453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271392676 + 83521321 = 16474^2 + 9139^2 .

It is an emirp because it is prime and its reverse (799319453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354913997 - 2¹⁰ = 354912973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354913991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177456998 + 177456999.

It is an arithmetic number, because the mean of its divisors is an integer number (177456999).

Almost surely, 2^354913997 is an apocalyptic number.

It is an amenable number.

354913997 is a deficient number, since it is larger than the sum of its proper divisors (1).

354913997 is an equidigital number, since it uses as much as digits as its factorization.

354913997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 50.

The square root of 354913997 is about 18839.1612605233. The cubic root of 354913997 is about 708.0126910224.

The spelling of 354913997 in words is "three hundred fifty-four million, nine hundred thirteen thousand, nine hundred ninety-seven".