340842553 has 16 divisors (see below), whose sum is σ = 360936576. Its totient is φ = 321471360.

The previous prime is 340842517. The next prime is 340842559. The reversal of 340842553 is 355248043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340842553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340842559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180651 + ... + 182527.

It is an arithmetic number, because the mean of its divisors is an integer number (22558536).

Almost surely, 2^340842553 is an apocalyptic number.

It is an amenable number.

340842553 is a deficient number, since it is larger than the sum of its proper divisors (20094023).

340842553 is a wasteful number, since it uses less digits than its factorization.

340842553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 340842553 is about 18461.9217038747. The cubic root of 340842553 is about 698.5292610393.

The spelling of 340842553 in words is "three hundred forty million, eight hundred forty-two thousand, five hundred fifty-three".