425231099 has 4 divisors (see below), whose sum is σ = 425278464. Its totient is φ = 425183736.

The previous prime is 425231063. The next prime is 425231101. The reversal of 425231099 is 990132524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425231099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425231299) 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, 5627 + ... + 29700.

It is an arithmetic number, because the mean of its divisors is an integer number (106319616).

Almost surely, 2^425231099 is an apocalyptic number.

425231099 is a deficient number, since it is larger than the sum of its proper divisors (47365).

425231099 is a wasteful number, since it uses less digits than its factorization.

425231099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47364.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 425231099 is about 20621.1323403929. The cubic root of 425231099 is about 751.9835488281.

The spelling of 425231099 in words is "four hundred twenty-five million, two hundred thirty-one thousand, ninety-nine".