340625953 has 4 divisors (see below), whose sum is σ = 340904340. Its totient is φ = 340347568.

The previous prime is 340625933. The next prime is 340625963. The reversal of 340625953 is 359526043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 269189649 + 71436304 = 16407^2 + 8452^2 .

It is a cyclic number.

It is not a de Polignac number, because 340625953 - 2⁵ = 340625921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340625933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137350 + ... + 139807.

It is an arithmetic number, because the mean of its divisors is an integer number (85226085).

Almost surely, 2^340625953 is an apocalyptic number.

It is an amenable number.

340625953 is a deficient number, since it is larger than the sum of its proper divisors (278387).

340625953 is a wasteful number, since it uses less digits than its factorization.

340625953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278386.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 340625953 is about 18456.0546433955. The cubic root of 340625953 is about 698.3812616206.

The spelling of 340625953 in words is "three hundred forty million, six hundred twenty-five thousand, nine hundred fifty-three".