354252405 has 16 divisors (see below), whose sum is σ = 610404480. Its totient is φ = 174401088.

The previous prime is 354252389. The next prime is 354252421. The reversal of 354252405 is 504252453.

It is an interprime number because it is at equal distance from previous prime (354252389) and next prime (354252421).

It is not a de Polignac number, because 354252405 - 2⁴ = 354252389 is a prime.

It is a super-3 number, since 3×354252405³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908145 + ... + 908534.

It is an arithmetic number, because the mean of its divisors is an integer number (38150280).

Almost surely, 2^354252405 is an apocalyptic number.

It is an amenable number.

354252405 is a deficient number, since it is larger than the sum of its proper divisors (256152075).

354252405 is a wasteful number, since it uses less digits than its factorization.

354252405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816700.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 354252405 is about 18821.5941142083. The cubic root of 354252405 is about 707.5724840103.

The spelling of 354252405 in words is "three hundred fifty-four million, two hundred fifty-two thousand, four hundred five".