818125542 has 32 divisors (see below), whose sum is σ = 1957908960. Its totient is φ = 251730720.

The previous prime is 818125519. The next prime is 818125547. The reversal of 818125542 is 245521818.

818125542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 818125497 and 818125506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818125547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582009 + ... + 583412.

It is an arithmetic number, because the mean of its divisors is an integer number (61184655).

Almost surely, 2^818125542 is an apocalyptic number.

818125542 is an abundant number, since it is smaller than the sum of its proper divisors (1139783418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818125542 is a wasteful number, since it uses less digits than its factorization.

818125542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165445 (or 1165439 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 818125542 is about 28602.8939444945. The cubic root of 818125542 is about 935.2764172681.

The spelling of 818125542 in words is "eight hundred eighteen million, one hundred twenty-five thousand, five hundred forty-two".