345531535 has 4 divisors (see below), whose sum is σ = 414637848. Its totient is φ = 276425224.

The previous prime is 345531533. The next prime is 345531551. The reversal of 345531535 is 535135543.

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

It is a cyclic number.

It is not a de Polignac number, because 345531535 - 2¹ = 345531533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345531535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345531533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34553149 + ... + 34553158.

It is an arithmetic number, because the mean of its divisors is an integer number (103659462).

Almost surely, 2^345531535 is an apocalyptic number.

345531535 is a deficient number, since it is larger than the sum of its proper divisors (69106313).

345531535 is an equidigital number, since it uses as much as digits as its factorization.

345531535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69106312.

The product of its digits is 67500, while the sum is 34.

The square root of 345531535 is about 18588.4785552772. The cubic root of 345531535 is about 701.7179131675.

The spelling of 345531535 in words is "three hundred forty-five million, five hundred thirty-one thousand, five hundred thirty-five".