354450457 has 2 divisors, whose sum is σ = 354450458. Its totient is φ = 354450456.

The previous prime is 354450433. The next prime is 354450461. The reversal of 354450457 is 754054453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307335961 + 47114496 = 17531^2 + 6864^2 .

It is a cyclic number.

It is not a de Polignac number, because 354450457 - 2⁷ = 354450329 is a prime.

It is not a weakly prime, because it can be changed into another prime (354450407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177225228 + 177225229.

It is an arithmetic number, because the mean of its divisors is an integer number (177225229).

Almost surely, 2^354450457 is an apocalyptic number.

It is an amenable number.

354450457 is a deficient number, since it is larger than the sum of its proper divisors (1).

354450457 is an equidigital number, since it uses as much as digits as its factorization.

354450457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 354450457 is about 18826.8546762331. The cubic root of 354450457 is about 707.7043203662.

The spelling of 354450457 in words is "three hundred fifty-four million, four hundred fifty thousand, four hundred fifty-seven".