82630253 has 4 divisors (see below), whose sum is σ = 82768800. Its totient is φ = 82491708.

The previous prime is 82630241. The next prime is 82630279. The reversal of 82630253 is 35203628.

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 a cyclic number.

It is not a de Polignac number, because 82630253 - 2⁶ = 82630189 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 (82630153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68375 + ... + 69572.

It is an arithmetic number, because the mean of its divisors is an integer number (20692200).

Almost surely, 2^82630253 is an apocalyptic number.

It is an amenable number.

82630253 is a deficient number, since it is larger than the sum of its proper divisors (138547).

82630253 is a wasteful number, since it uses less digits than its factorization.

82630253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138546.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 82630253 is about 9090.1184260712. The cubic root of 82630253 is about 435.5583669552.

The spelling of 82630253 in words is "eighty-two million, six hundred thirty thousand, two hundred fifty-three".