82253530 has 16 divisors (see below), whose sum is σ = 148200264. Its totient is φ = 32869440.

The previous prime is 82253467. The next prime is 82253537. The reversal of 82253530 is 3535228.

It can be written as a sum of positive squares in 4 ways, for example, as 40947201 + 41306329 = 6399^2 + 6427^2 .

It is not an unprimeable number, because it can be changed into a prime (82253537) 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, 8740 + ... + 15520.

Almost surely, 2^82253530 is an apocalyptic number.

82253530 is a deficient number, since it is larger than the sum of its proper divisors (65946734).

82253530 is a wasteful number, since it uses less digits than its factorization.

82253530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 82253530 is about 9069.3731867202. The cubic root of 82253530 is about 434.8954344164.

Adding to 82253530 its reverse (3535228), we get a palindrome (85788758).

The spelling of 82253530 in words is "eighty-two million, two hundred fifty-three thousand, five hundred thirty".