8312501 has 2 divisors, whose sum is σ = 8312502. Its totient is φ = 8312500.

The previous prime is 8312497. The next prime is 8312503. The reversal of 8312501 is 1052138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 303601 = 2830^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 8312501 - 2² = 8312497 is a prime.

Together with 8312503, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8312503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156250 + 4156251.

It is an arithmetic number, because the mean of its divisors is an integer number (4156251).

Almost surely, 2^8312501 is an apocalyptic number.

It is an amenable number.

8312501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8312501 is an equidigital number, since it uses as much as digits as its factorization.

8312501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8312501 is about 2883.1408220897. The cubic root of 8312501 is about 202.5709835992.

Adding to 8312501 its reverse (1052138), we get a palindrome (9364639).

The spelling of 8312501 in words is "eight million, three hundred twelve thousand, five hundred one".