345511001 has 16 divisors (see below), whose sum is σ = 382269888. Its totient is φ = 309672000.

The previous prime is 345510961. The next prime is 345511007. The reversal of 345511001 is 100115543.

It is a de Polignac number, because none of the positive numbers 2^k-345511001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345511007) 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 15 ways as a sum of consecutive naturals, for example, 340571 + ... + 341583.

It is an arithmetic number, because the mean of its divisors is an integer number (23891868).

Almost surely, 2^345511001 is an apocalyptic number.

It is an amenable number.

345511001 is a deficient number, since it is larger than the sum of its proper divisors (36758887).

345511001 is a wasteful number, since it uses less digits than its factorization.

345511001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 345511001 is about 18587.9262156917. The cubic root of 345511001 is about 701.7040124960.

Adding to 345511001 its reverse (100115543), we get a palindrome (445626544).

The spelling of 345511001 in words is "three hundred forty-five million, five hundred eleven thousand, one".