354604997 has 2 divisors, whose sum is σ = 354604998. Its totient is φ = 354604996.

The previous prime is 354604993. The next prime is 354605021. The reversal of 354604997 is 799406453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353966596 + 638401 = 18814^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 354604997 - 2² = 354604993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354604993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177302498 + 177302499.

It is an arithmetic number, because the mean of its divisors is an integer number (177302499).

Almost surely, 2^354604997 is an apocalyptic number.

It is an amenable number.

354604997 is a deficient number, since it is larger than the sum of its proper divisors (1).

354604997 is an equidigital number, since it uses as much as digits as its factorization.

354604997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 354604997 is about 18830.9584726853. The cubic root of 354604997 is about 707.8071581841.

The spelling of 354604997 in words is "three hundred fifty-four million, six hundred four thousand, nine hundred ninety-seven".