345672501 has 4 divisors (see below), whose sum is σ = 460896672. Its totient is φ = 230448332.

The previous prime is 345672499. The next prime is 345672521. The reversal of 345672501 is 105276543.

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 a cyclic number.

It is not a de Polignac number, because 345672501 - 2¹ = 345672499 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345672521) 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, 57612081 + ... + 57612086.

It is an arithmetic number, because the mean of its divisors is an integer number (115224168).

Almost surely, 2^345672501 is an apocalyptic number.

It is an amenable number.

345672501 is a deficient number, since it is larger than the sum of its proper divisors (115224171).

345672501 is a wasteful number, since it uses less digits than its factorization.

345672501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115224170.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 345672501 is about 18592.2699259665. The cubic root of 345672501 is about 701.8133264738.

It can be divided in two parts, 3456 and 72501, that added together give a palindrome (75957).

The spelling of 345672501 in words is "three hundred forty-five million, six hundred seventy-two thousand, five hundred one".