340651477 has 2 divisors, whose sum is σ = 340651478. Its totient is φ = 340651476.

The previous prime is 340651471. The next prime is 340651541. The reversal of 340651477 is 774156043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327211921 + 13439556 = 18089^2 + 3666^2 .

It is a cyclic number.

It is not a de Polignac number, because 340651477 - 2¹¹ = 340649429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340651471) 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, 170325738 + 170325739.

It is an arithmetic number, because the mean of its divisors is an integer number (170325739).

Almost surely, 2^340651477 is an apocalyptic number.

It is an amenable number.

340651477 is a deficient number, since it is larger than the sum of its proper divisors (1).

340651477 is an equidigital number, since it uses as much as digits as its factorization.

340651477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 340651477 is about 18456.7461108398. The cubic root of 340651477 is about 698.3987050342.

The spelling of 340651477 in words is "three hundred forty million, six hundred fifty-one thousand, four hundred seventy-seven".