345503001 has 4 divisors (see below), whose sum is σ = 460670672. Its totient is φ = 230335332.

The previous prime is 345502999. The next prime is 345503017. The reversal of 345503001 is 100305543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 345503001 - 2¹ = 345502999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345503051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57583831 + ... + 57583836.

It is an arithmetic number, because the mean of its divisors is an integer number (115167668).

Almost surely, 2^345503001 is an apocalyptic number.

It is an amenable number.

345503001 is a deficient number, since it is larger than the sum of its proper divisors (115167671).

345503001 is a wasteful number, since it uses less digits than its factorization.

345503001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115167670.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 345503001 is about 18587.7110209945. The cubic root of 345503001 is about 701.6985966767.

Adding to 345503001 its reverse (100305543), we get a palindrome (445808544).

The spelling of 345503001 in words is "three hundred forty-five million, five hundred three thousand, one".