82151301 has 4 divisors (see below), whose sum is σ = 109535072. Its totient is φ = 54767532.

The previous prime is 82151297. The next prime is 82151309. The reversal of 82151301 is 10315128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82151301 - 2² = 82151297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82151309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13691881 + ... + 13691886.

It is an arithmetic number, because the mean of its divisors is an integer number (27383768).

Almost surely, 2^82151301 is an apocalyptic number.

It is an amenable number.

82151301 is a deficient number, since it is larger than the sum of its proper divisors (27383771).

82151301 is a wasteful number, since it uses less digits than its factorization.

82151301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27383770.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 82151301 is about 9063.7354881969. The cubic root of 82151301 is about 434.7151894400.

Adding to 82151301 its reverse (10315128), we get a palindrome (92466429).

The spelling of 82151301 in words is "eighty-two million, one hundred fifty-one thousand, three hundred one".