340554551 has 2 divisors, whose sum is σ = 340554552. Its totient is φ = 340554550.

The previous prime is 340554547. The next prime is 340554581. The reversal of 340554551 is 155455043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340554551 - 2² = 340554547 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340554581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170277275 + 170277276.

It is an arithmetic number, because the mean of its divisors is an integer number (170277276).

Almost surely, 2^340554551 is an apocalyptic number.

340554551 is a deficient number, since it is larger than the sum of its proper divisors (1).

340554551 is an equidigital number, since it uses as much as digits as its factorization.

340554551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 340554551 is about 18454.1201632589. The cubic root of 340554551 is about 698.3324599922.

The spelling of 340554551 in words is "three hundred forty million, five hundred fifty-four thousand, five hundred fifty-one".