354249487 has 2 divisors, whose sum is σ = 354249488. Its totient is φ = 354249486.

The previous prime is 354249421. The next prime is 354249499. The reversal of 354249487 is 784942453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354249487 - 2¹⁵ = 354216719 is a prime.

It is a super-3 number, since 3×354249487³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354249787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177124743 + 177124744.

It is an arithmetic number, because the mean of its divisors is an integer number (177124744).

Almost surely, 2^354249487 is an apocalyptic number.

354249487 is a deficient number, since it is larger than the sum of its proper divisors (1).

354249487 is an equidigital number, since it uses as much as digits as its factorization.

354249487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 354249487 is about 18821.5165967039. The cubic root of 354249487 is about 707.5705412315.

The spelling of 354249487 in words is "three hundred fifty-four million, two hundred forty-nine thousand, four hundred eighty-seven".