340661251 has 8 divisors (see below), whose sum is σ = 398823264. Its totient is φ = 284873280.

The previous prime is 340661219. The next prime is 340661261. The reversal of 340661251 is 152166043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340661251 - 2⁵ = 340661219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340661261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593200 + ... + 593773.

It is an arithmetic number, because the mean of its divisors is an integer number (49852908).

Almost surely, 2^340661251 is an apocalyptic number.

340661251 is a deficient number, since it is larger than the sum of its proper divisors (58162013).

340661251 is a wasteful number, since it uses less digits than its factorization.

340661251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187021.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 340661251 is about 18457.0108901740. The cubic root of 340661251 is about 698.4053844745.

The spelling of 340661251 in words is "three hundred forty million, six hundred sixty-one thousand, two hundred fifty-one".