6340425 has 48 divisors (see below), whose sum is σ = 12915840. Its totient is φ = 2672640.

The previous prime is 6340423. The next prime is 6340429. The reversal of 6340425 is 5240436.

6340425 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6340425 - 2¹ = 6340423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6340395 and 6340404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6361 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (269080).

Almost surely, 2^6340425 is an apocalyptic number.

6340425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6340425 is an abundant number, since it is smaller than the sum of its proper divisors (6575415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6340425 is a wasteful number, since it uses less digits than its factorization.

6340425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 6340425 is about 2518.0200555198. The cubic root of 6340425 is about 185.0856676528.

The spelling of 6340425 in words is "six million, three hundred forty thousand, four hundred twenty-five".