312022253 has 2 divisors, whose sum is σ = 312022254. Its totient is φ = 312022252.

The previous prime is 312022231. The next prime is 312022303. The reversal of 312022253 is 352220213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299047849 + 12974404 = 17293^2 + 3602^2 .

It is an emirp because it is prime and its reverse (352220213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312022253 - 2⁶ = 312022189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312021253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156011126 + 156011127.

It is an arithmetic number, because the mean of its divisors is an integer number (156011127).

Almost surely, 2^312022253 is an apocalyptic number.

It is an amenable number.

312022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

312022253 is an equidigital number, since it uses as much as digits as its factorization.

312022253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 312022253 is about 17664.1516354452. The cubic root of 312022253 is about 678.2584131400.

Adding to 312022253 its reverse (352220213), we get a palindrome (664242466).

The spelling of 312022253 in words is "three hundred twelve million, twenty-two thousand, two hundred fifty-three".