82427545 has 8 divisors (see below), whose sum is σ = 99577800. Its totient is φ = 65498880.

The previous prime is 82427539. The next prime is 82427551. The reversal of 82427545 is 54572428.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82427539) and next prime (82427551).

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 81920601 = 712^2 + 9051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82427545 - 2¹⁵ = 82394777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54576 + ... + 56065.

It is an arithmetic number, because the mean of its divisors is an integer number (12447225).

Almost surely, 2^82427545 is an apocalyptic number.

It is an amenable number.

82427545 is a deficient number, since it is larger than the sum of its proper divisors (17150255).

82427545 is a wasteful number, since it uses less digits than its factorization.

82427545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110795.

The product of its digits is 89600, while the sum is 37.

The square root of 82427545 is about 9078.9616697065. The cubic root of 82427545 is about 435.2019056543.

The spelling of 82427545 in words is "eighty-two million, four hundred twenty-seven thousand, five hundred forty-five".