863438325 has 24 divisors (see below), whose sum is σ = 1431905376. Its totient is φ = 459096000.

The previous prime is 863438309. The next prime is 863438333. The reversal of 863438325 is 523834368.

It is a happy number.

It is not a de Polignac number, because 863438325 - 2⁴ = 863438309 is a prime.

It is a super-4 number, since 4×863438325⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7435 + ... + 42215.

It is an arithmetic number, because the mean of its divisors is an integer number (59662724).

Almost surely, 2^863438325 is an apocalyptic number.

It is an amenable number.

863438325 is a deficient number, since it is larger than the sum of its proper divisors (568467051).

863438325 is a wasteful number, since it uses less digits than its factorization.

863438325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35125 (or 35120 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 863438325 is about 29384.3210743417. The cubic root of 863438325 is about 952.2341967452.

The spelling of 863438325 in words is "eight hundred sixty-three million, four hundred thirty-eight thousand, three hundred twenty-five".