345863587 has 2 divisors, whose sum is σ = 345863588. Its totient is φ = 345863586.

The previous prime is 345863543. The next prime is 345863591. The reversal of 345863587 is 785368543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345863587 - 2¹¹ = 345861539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345863587.

It is not a weakly prime, because it can be changed into another prime (345803587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172931793 + 172931794.

It is an arithmetic number, because the mean of its divisors is an integer number (172931794).

Almost surely, 2^345863587 is an apocalyptic number.

345863587 is a deficient number, since it is larger than the sum of its proper divisors (1).

345863587 is an equidigital number, since it uses as much as digits as its factorization.

345863587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The square root of 345863587 is about 18597.4080720943. The cubic root of 345863587 is about 701.9426222642.

The spelling of 345863587 in words is "three hundred forty-five million, eight hundred sixty-three thousand, five hundred eighty-seven".