82451358 has 112 divisors (see below), whose sum is σ = 208229616. Its totient is φ = 24261120.

The previous prime is 82451357. The next prime is 82451359. The reversal of 82451358 is 85315428.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82451357) and next prime (82451359).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82451357) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 849966 + ... + 850062.

It is an arithmetic number, because the mean of its divisors is an integer number (1859193).

Almost surely, 2^82451358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82451358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104114808).

82451358 is an abundant number, since it is smaller than the sum of its proper divisors (125778258).

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

82451358 is a wasteful number, since it uses less digits than its factorization.

82451358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 166 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 82451358 is about 9080.2730135167. The cubic root of 82451358 is about 435.2438110034.

The spelling of 82451358 in words is "eighty-two million, four hundred fifty-one thousand, three hundred fifty-eight".