340041251 has 4 divisors (see below), whose sum is σ = 370954104. Its totient is φ = 309128400.

The previous prime is 340041241. The next prime is 340041253. The reversal of 340041251 is 152140043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340041251 - 2⁶ = 340041187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340041253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15456410 + ... + 15456431.

It is an arithmetic number, because the mean of its divisors is an integer number (92738526).

Almost surely, 2^340041251 is an apocalyptic number.

340041251 is a deficient number, since it is larger than the sum of its proper divisors (30912853).

340041251 is a wasteful number, since it uses less digits than its factorization.

340041251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30912852.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 340041251 is about 18440.2074554491. The cubic root of 340041251 is about 697.9814302824.

Adding to 340041251 its reverse (152140043), we get a palindrome (492181294).

The spelling of 340041251 in words is "three hundred forty million, forty-one thousand, two hundred fifty-one".