340315425 has 84 divisors (see below), whose sum is σ = 644048064. Its totient is φ = 178264800.

The previous prime is 340315421. The next prime is 340315453. The reversal of 340315425 is 524513043.

340315425 is a `hidden beast` number, since 340 + 315 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 340315425 - 2² = 340315421 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340315421) 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 83 ways as a sum of consecutive naturals, for example, 1293844 + ... + 1294106.

Almost surely, 2^340315425 is an apocalyptic number.

It is an amenable number.

340315425 is a deficient number, since it is larger than the sum of its proper divisors (303732639).

340315425 is an equidigital number, since it uses as much as digits as its factorization.

340315425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 340315425 is about 18447.6400929767. The cubic root of 340315425 is about 698.1689731662.

Adding to 340315425 its reverse (524513043), we get a palindrome (864828468).

The spelling of 340315425 in words is "three hundred forty million, three hundred fifteen thousand, four hundred twenty-five".