425499 has 4 divisors (see below), whose sum is σ = 567336. Its totient is φ = 283664.

The previous prime is 425489. The next prime is 425501. The reversal of 425499 is 994524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425499 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (425419) 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, 70914 + ... + 70919.

It is an arithmetic number, because the mean of its divisors is an integer number (141834).

2⁴²⁵⁴⁹⁹ is an apocalyptic number.

425499 is a deficient number, since it is larger than the sum of its proper divisors (141837).

425499 is a wasteful number, since it uses less digits than its factorization.

425499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141836.

The product of its digits is 12960, while the sum is 33.

The square root of 425499 is about 652.3028437773. The cubic root of 425499 is about 75.2141435409.

The spelling of 425499 in words is "four hundred twenty-five thousand, four hundred ninety-nine".