82549651 has 8 divisors (see below), whose sum is σ = 83232864. Its totient is φ = 81869760.

The previous prime is 82549613. The next prime is 82549669. The reversal of 82549651 is 15694528.

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

It is a cyclic number.

It is not a de Polignac number, because 82549651 - 2¹⁵ = 82516883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82549351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73345 + ... + 74461.

It is an arithmetic number, because the mean of its divisors is an integer number (10404108).

Almost surely, 2^82549651 is an apocalyptic number.

82549651 is a deficient number, since it is larger than the sum of its proper divisors (683213).

82549651 is a wasteful number, since it uses less digits than its factorization.

82549651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its digits is 86400, while the sum is 40.

The square root of 82549651 is about 9085.6838487810. The cubic root of 82549651 is about 435.4166985168.

The spelling of 82549651 in words is "eighty-two million, five hundred forty-nine thousand, six hundred fifty-one".