340501487 has 2 divisors, whose sum is σ = 340501488. Its totient is φ = 340501486.

The previous prime is 340501471. The next prime is 340501519. The reversal of 340501487 is 784105043.

It is an a-pointer prime, because the next prime (340501519) can be obtained adding 340501487 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340501487 - 2⁴ = 340501471 is a prime.

It is a super-2 number, since 2×340501487² = 231882525298422338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340501457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170250743 + 170250744.

It is an arithmetic number, because the mean of its divisors is an integer number (170250744).

Almost surely, 2^340501487 is an apocalyptic number.

340501487 is a deficient number, since it is larger than the sum of its proper divisors (1).

340501487 is an equidigital number, since it uses as much as digits as its factorization.

340501487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 340501487 is about 18452.6823795350. The cubic root of 340501487 is about 698.2961875474.

The spelling of 340501487 in words is "three hundred forty million, five hundred one thousand, four hundred eighty-seven".