82452061 has 4 divisors (see below), whose sum is σ = 82471324. Its totient is φ = 82432800.

The previous prime is 82452043. The next prime is 82452101. The reversal of 82452061 is 16025428.

82452061 is a nontrivial binomial coefficient, being equal to C(12842, 2).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30525625 + 51926436 = 5525^2 + 7206^2 .

It is a 3-Lehmer number, since φ(82452061) divides (82452061-1)³.

It is a cyclic number.

It is not a de Polignac number, because 82452061 - 2⁷ = 82451933 is a prime.

It is a deceptive number, since it divides R_82452060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82452011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 12841.

It is an arithmetic number, because the mean of its divisors is an integer number (20617831).

It is a Poulet number, since it divides 2^82452060-1.

Almost surely, 2^82452061 is an apocalyptic number.

82452061 is the 12841-st triangular number and also the 6421-st hexagonal number.

82452061 is the 4281-st centered nonagonal number.

It is an amenable number.

82452061 is a deficient number, since it is larger than the sum of its proper divisors (19263).

82452061 is a wasteful number, since it uses less digits than its factorization.

82452061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19262.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 82452061 is about 9080.3117237240. The cubic root of 82452061 is about 435.2450479975.

Adding to 82452061 its reverse (16025428), we get a palindrome (98477489).

The spelling of 82452061 in words is "eighty-two million, four hundred fifty-two thousand, sixty-one".