8272251 has 24 divisors (see below), whose sum is σ = 13628160. Its totient is φ = 4790016.

The previous prime is 8272247. The next prime is 8272261. The reversal of 8272251 is 1522728.

8272251 = T₉₇₈ + T₉₇₉ + ... + T₉₉₄.

It is not a de Polignac number, because 8272251 - 2² = 8272247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8272241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91 + ... + 4068.

It is an arithmetic number, because the mean of its divisors is an integer number (567840).

Almost surely, 2^8272251 is an apocalyptic number.

8272251 is a deficient number, since it is larger than the sum of its proper divisors (5355909).

8272251 is a wasteful number, since it uses less digits than its factorization.

8272251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 4192 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 8272251 is about 2876.1521169785. The cubic root of 8272251 is about 202.2434978197.

Adding to 8272251 its sum of digits (27), we get a triangular number (8272278 = T₄₀₆₇).

Adding to 8272251 its reverse (1522728), we get a palindrome (9794979).

The spelling of 8272251 in words is "eight million, two hundred seventy-two thousand, two hundred fifty-one".