342407251 has 16 divisors (see below), whose sum is σ = 370016640. Its totient is φ = 315694080.

The previous prime is 342407209. The next prime is 342407291. The reversal of 342407251 is 152704243.

It is not a de Polignac number, because 342407251 - 2⁹ = 342406739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342407201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183061 + ... + 184921.

It is an arithmetic number, because the mean of its divisors is an integer number (23126040).

Almost surely, 2^342407251 is an apocalyptic number.

342407251 is a deficient number, since it is larger than the sum of its proper divisors (27609389).

342407251 is a wasteful number, since it uses less digits than its factorization.

342407251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 342407251 is about 18504.2495389573. The cubic root of 342407251 is about 699.5965368860.

The spelling of 342407251 in words is "three hundred forty-two million, four hundred seven thousand, two hundred fifty-one".