345214501 has 2 divisors, whose sum is σ = 345214502. Its totient is φ = 345214500.

The previous prime is 345214469. The next prime is 345214627. The reversal of 345214501 is 105412543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325766401 + 19448100 = 18049^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 345214501 - 2⁵ = 345214469 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345211501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172607250 + 172607251.

It is an arithmetic number, because the mean of its divisors is an integer number (172607251).

Almost surely, 2^345214501 is an apocalyptic number.

It is an amenable number.

345214501 is a deficient number, since it is larger than the sum of its proper divisors (1).

345214501 is an equidigital number, since it uses as much as digits as its factorization.

345214501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 345214501 is about 18579.9488965928. The cubic root of 345214501 is about 701.5032327990.

The spelling of 345214501 in words is "three hundred forty-five million, two hundred fourteen thousand, five hundred one".