82102354 has 4 divisors (see below), whose sum is σ = 123153534. Its totient is φ = 41051176.

The previous prime is 82102337. The next prime is 82102369. The reversal of 82102354 is 45320128.

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

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 7711729 = 8625^2 + 2777^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20525587 + ... + 20525590.

Almost surely, 2^82102354 is an apocalyptic number.

82102354 is a deficient number, since it is larger than the sum of its proper divisors (41051180).

82102354 is a wasteful number, since it uses less digits than its factorization.

82102354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41051179.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 82102354 is about 9061.0349298521. The cubic root of 82102354 is about 434.6288356374.

The spelling of 82102354 in words is "eighty-two million, one hundred two thousand, three hundred fifty-four".