82451275 has 12 divisors (see below), whose sum is σ = 108254232. Its totient is φ = 62080640.

The previous prime is 82451209. The next prime is 82451293. The reversal of 82451275 is 57215428.

It is a happy number.

It is not a de Polignac number, because 82451275 - 2¹⁵ = 82418507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82451275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96577 + ... + 97426.

It is an arithmetic number, because the mean of its divisors is an integer number (9021186).

Almost surely, 2^82451275 is an apocalyptic number.

82451275 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82451275 is a deficient number, since it is larger than the sum of its proper divisors (25802957).

82451275 is a wasteful number, since it uses less digits than its factorization.

82451275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194030 (or 194025 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 82451275 is about 9080.2684431684. The cubic root of 82451275 is about 435.2436649567.

The spelling of 82451275 in words is "eighty-two million, four hundred fifty-one thousand, two hundred seventy-five".