82670253 has 8 divisors (see below), whose sum is σ = 110445600. Its totient is φ = 55004208.

The previous prime is 82670249. The next prime is 82670281. The reversal of 82670253 is 35207628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82670253 - 2² = 82670249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82670153) 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, 25543 + ... + 28596.

It is an arithmetic number, because the mean of its divisors is an integer number (13805700).

Almost surely, 2^82670253 is an apocalyptic number.

It is an amenable number.

82670253 is a deficient number, since it is larger than the sum of its proper divisors (27775347).

82670253 is a wasteful number, since it uses less digits than its factorization.

82670253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54651.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 82670253 is about 9092.3183512237. The cubic root of 82670253 is about 435.6286379254.

The spelling of 82670253 in words is "eighty-two million, six hundred seventy thousand, two hundred fifty-three".