345862487 has 2 divisors, whose sum is σ = 345862488. Its totient is φ = 345862486.

The previous prime is 345862483. The next prime is 345862493. The reversal of 345862487 is 784268543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345862487 - 2² = 345862483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345862483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172931243 + 172931244.

It is an arithmetic number, because the mean of its divisors is an integer number (172931244).

Almost surely, 2^345862487 is an apocalyptic number.

345862487 is a deficient number, since it is larger than the sum of its proper divisors (1).

345862487 is an equidigital number, since it uses as much as digits as its factorization.

345862487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 47.

The square root of 345862487 is about 18597.3784980572. The cubic root of 345862487 is about 701.9418781002.

It can be divided in two parts, 34586 and 2487, that added together give a palindrome (37073).

The spelling of 345862487 in words is "three hundred forty-five million, eight hundred sixty-two thousand, four hundred eighty-seven".