345310087 has 2 divisors, whose sum is σ = 345310088. Its totient is φ = 345310086.

The previous prime is 345310073. The next prime is 345310093. The reversal of 345310087 is 780013543.

It is a strong prime.

It is an emirp because it is prime and its reverse (780013543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345310087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345310037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172655043 + 172655044.

It is an arithmetic number, because the mean of its divisors is an integer number (172655044).

Almost surely, 2^345310087 is an apocalyptic number.

345310087 is a deficient number, since it is larger than the sum of its proper divisors (1).

345310087 is an equidigital number, since it uses as much as digits as its factorization.

345310087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 345310087 is about 18582.5210076566. The cubic root of 345310087 is about 701.5679729340.

The spelling of 345310087 in words is "three hundred forty-five million, three hundred ten thousand, eighty-seven".