82741251 has 16 divisors (see below), whose sum is σ = 111448064. Its totient is φ = 54601344.

The previous prime is 82741249. The next prime is 82741259. The reversal of 82741251 is 15214728.

It is not a de Polignac number, because 82741251 - 2¹ = 82741249 is a prime.

It is a super-2 number, since 2×82741251² = 13692229234090002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82741259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225270 + ... + 225636.

It is an arithmetic number, because the mean of its divisors is an integer number (6965504).

Almost surely, 2^82741251 is an apocalyptic number.

82741251 is a deficient number, since it is larger than the sum of its proper divisors (28706813).

82741251 is a wasteful number, since it uses less digits than its factorization.

82741251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 4480, while the sum is 30.

The square root of 82741251 is about 9096.2217980874. The cubic root of 82741251 is about 435.7533095824.

Adding to 82741251 its reverse (15214728), we get a palindrome (97955979).

The spelling of 82741251 in words is "eighty-two million, seven hundred forty-one thousand, two hundred fifty-one".