345140527 has 2 divisors, whose sum is σ = 345140528. Its totient is φ = 345140526.

The previous prime is 345140449. The next prime is 345140581. The reversal of 345140527 is 725041543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345140527 - 2¹⁵ = 345107759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345140597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172570263 + 172570264.

It is an arithmetic number, because the mean of its divisors is an integer number (172570264).

Almost surely, 2^345140527 is an apocalyptic number.

345140527 is a deficient number, since it is larger than the sum of its proper divisors (1).

345140527 is an equidigital number, since it uses as much as digits as its factorization.

345140527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 345140527 is about 18577.9580955497. The cubic root of 345140527 is about 701.4531222088.

The spelling of 345140527 in words is "three hundred forty-five million, one hundred forty thousand, five hundred twenty-seven".