354005551 has 4 divisors (see below), whose sum is σ = 361537632. Its totient is φ = 346473472.

The previous prime is 354005537. The next prime is 354005563. The reversal of 354005551 is 155500453.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 354005551 - 2⁷ = 354005423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354005591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765970 + ... + 3766063.

It is an arithmetic number, because the mean of its divisors is an integer number (90384408).

Almost surely, 2^354005551 is an apocalyptic number.

354005551 is a deficient number, since it is larger than the sum of its proper divisors (7532081).

354005551 is an equidigital number, since it uses as much as digits as its factorization.

354005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532080.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 354005551 is about 18815.0352378091. The cubic root of 354005551 is about 707.4080930447.

It can be divided in two parts, 35400 and 5551, that multiplied together give a triangular number (196505400 = T₁₉₈₂₄).

The spelling of 354005551 in words is "three hundred fifty-four million, five thousand, five hundred fifty-one".