345047501 has 4 divisors (see below), whose sum is σ = 348272352. Its totient is φ = 341822652.

The previous prime is 345047489. The next prime is 345047503. The reversal of 345047501 is 105740543.

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 345047501 - 2¹⁰ = 345046477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345047503) 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, 1612265 + ... + 1612478.

It is an arithmetic number, because the mean of its divisors is an integer number (87068088).

Almost surely, 2^345047501 is an apocalyptic number.

It is an amenable number.

345047501 is a deficient number, since it is larger than the sum of its proper divisors (3224851).

345047501 is a wasteful number, since it uses less digits than its factorization.

345047501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224850.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 345047501 is about 18575.4542609326. The cubic root of 345047501 is about 701.3900954738.

The spelling of 345047501 in words is "three hundred forty-five million, forty-seven thousand, five hundred one".