345514553 has 4 divisors (see below), whose sum is σ = 351178788. Its totient is φ = 339850320.

The previous prime is 345514517. The next prime is 345514567. The reversal of 345514553 is 355415543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 301265449 = 6652^2 + 17357^2 .

It is a cyclic number.

It is not a de Polignac number, because 345514553 - 2¹² = 345510457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345514853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832026 + ... + 2832147.

It is an arithmetic number, because the mean of its divisors is an integer number (87794697).

Almost surely, 2^345514553 is an apocalyptic number.

It is an amenable number.

345514553 is a deficient number, since it is larger than the sum of its proper divisors (5664235).

345514553 is an equidigital number, since it uses as much as digits as its factorization.

345514553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664234.

The product of its digits is 90000, while the sum is 35.

The square root of 345514553 is about 18588.0217613387. The cubic root of 345514553 is about 701.7064170929.

The spelling of 345514553 in words is "three hundred forty-five million, five hundred fourteen thousand, five hundred fifty-three".