6425697 has 4 divisors (see below), whose sum is σ = 8567600. Its totient is φ = 4283796.

The previous prime is 6425693. The next prime is 6425701. The reversal of 6425697 is 7965246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6425693) and next prime (6425701).

It is not a de Polignac number, because 6425697 - 2² = 6425693 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

6425697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6425693) 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, 1070947 + ... + 1070952.

It is an arithmetic number, because the mean of its divisors is an integer number (2141900).

Almost surely, 2^6425697 is an apocalyptic number.

It is an amenable number.

6425697 is a deficient number, since it is larger than the sum of its proper divisors (2141903).

6425697 is a wasteful number, since it uses less digits than its factorization.

6425697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141902.

The product of its digits is 90720, while the sum is 39.

The square root of 6425697 is about 2534.8958558489. The cubic root of 6425697 is about 185.9117109020.

The spelling of 6425697 in words is "six million, four hundred twenty-five thousand, six hundred ninety-seven".