425432599 has 4 divisors (see below), whose sum is σ = 450458064. Its totient is φ = 400407136.

The previous prime is 425432593. The next prime is 425432621. The reversal of 425432599 is 995234524.

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

It is a cyclic number.

It is not a de Polignac number, because 425432599 - 2⁷ = 425432471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425432593) 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, 12512707 + ... + 12512740.

It is an arithmetic number, because the mean of its divisors is an integer number (112614516).

Almost surely, 2^425432599 is an apocalyptic number.

425432599 is a deficient number, since it is larger than the sum of its proper divisors (25025465).

425432599 is a wasteful number, since it uses less digits than its factorization.

425432599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25025464.

The product of its digits is 388800, while the sum is 43.

The square root of 425432599 is about 20626.0175264155. The cubic root of 425432599 is about 752.1023083747.

The spelling of 425432599 in words is "four hundred twenty-five million, four hundred thirty-two thousand, five hundred ninety-nine".