345613487 has 4 divisors (see below), whose sum is σ = 346234536. Its totient is φ = 344992440.

The previous prime is 345613453. The next prime is 345613493. The reversal of 345613487 is 784316543.

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 345613487 - 2²⁴ = 328836271 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 (345613447) 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, 309689 + ... + 310802.

It is an arithmetic number, because the mean of its divisors is an integer number (86558634).

Almost surely, 2^345613487 is an apocalyptic number.

345613487 is a deficient number, since it is larger than the sum of its proper divisors (621049).

345613487 is an equidigital number, since it uses as much as digits as its factorization.

345613487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621048.

The product of its digits is 241920, while the sum is 41.

The square root of 345613487 is about 18590.6828008011. The cubic root of 345613487 is about 701.7733858086.

The spelling of 345613487 in words is "three hundred forty-five million, six hundred thirteen thousand, four hundred eighty-seven".