354148499 has 2 divisors, whose sum is σ = 354148500. Its totient is φ = 354148498.

The previous prime is 354148489. The next prime is 354148507. The reversal of 354148499 is 994841453.

It is a strong prime.

It is an emirp because it is prime and its reverse (994841453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354148499 - 2²⁴ = 337371283 is a prime.

It is not a weakly prime, because it can be changed into another prime (354148409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177074249 + 177074250.

It is an arithmetic number, because the mean of its divisors is an integer number (177074250).

Almost surely, 2^354148499 is an apocalyptic number.

354148499 is a deficient number, since it is larger than the sum of its proper divisors (1).

354148499 is an equidigital number, since it uses as much as digits as its factorization.

354148499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 354148499 is about 18818.8336248557. The cubic root of 354148499 is about 707.5032977326.

The spelling of 354148499 in words is "three hundred fifty-four million, one hundred forty-eight thousand, four hundred ninety-nine".