82402151 has 8 divisors (see below), whose sum is σ = 89811120. Its totient is φ = 75146112.

The previous prime is 82402141. The next prime is 82402171. The reversal of 82402151 is 15120428.

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 82402151 - 2¹⁰ = 82401127 is a prime.

It is a super-2 number, since 2×82402151² = 13580228978853602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82402141) 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, 37106 + ... + 39263.

It is an arithmetic number, because the mean of its divisors is an integer number (11226390).

Almost surely, 2^82402151 is an apocalyptic number.

82402151 is a deficient number, since it is larger than the sum of its proper divisors (7408969).

82402151 is a wasteful number, since it uses less digits than its factorization.

82402151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76465.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 82402151 is about 9077.5630540360. The cubic root of 82402151 is about 435.1572092190.

Adding to 82402151 its reverse (15120428), we get a palindrome (97522579).

The spelling of 82402151 in words is "eighty-two million, four hundred two thousand, one hundred fifty-one".