340066251 has 12 divisors (see below), whose sum is σ = 561379312. Its totient is φ = 194323536.

The previous prime is 340066219. The next prime is 340066253. The reversal of 340066251 is 152660043.

340066251 is a `hidden beast` number, since 3 + 400 + 6 + 6 + 251 = 666.

It is not a de Polignac number, because 340066251 - 2⁵ = 340066219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340066253) 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 in 11 ways as a sum of consecutive naturals, for example, 2698876 + ... + 2699001.

Almost surely, 2^340066251 is an apocalyptic number.

340066251 is a deficient number, since it is larger than the sum of its proper divisors (221313061).

340066251 is a wasteful number, since it uses less digits than its factorization.

340066251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397890 (or 5397887 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 340066251 is about 18440.8853095506. The cubic root of 340066251 is about 697.9985351759.

The spelling of 340066251 in words is "three hundred forty million, sixty-six thousand, two hundred fifty-one".