438130825 has 24 divisors (see below), whose sum is σ = 593712000. Its totient is φ = 318081600.

The previous prime is 438130813. The next prime is 438130837. The reversal of 438130825 is 528031834.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (438130813) and next prime (438130837).

It is not a de Polignac number, because 438130825 - 2⁵ = 438130793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218176 + ... + 220174.

It is an arithmetic number, because the mean of its divisors is an integer number (24738000).

Almost surely, 2^438130825 is an apocalyptic number.

It is an amenable number.

438130825 is a deficient number, since it is larger than the sum of its proper divisors (155581175).

438130825 is a wasteful number, since it uses less digits than its factorization.

438130825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 438130825 is about 20931.5748332513. The cubic root of 438130825 is about 759.5119355982.

The spelling of 438130825 in words is "four hundred thirty-eight million, one hundred thirty thousand, eight hundred twenty-five".