225312132037 has 2 divisors, whose sum is σ = 225312132038. Its totient is φ = 225312132036.

The previous prime is 225312132013. The next prime is 225312132043. The reversal of 225312132037 is 730231213522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123238910916 + 102073221121 = 351054^2 + 319489^2 .

It is a cyclic number.

It is not a de Polignac number, because 225312132037 - 2³¹ = 223164648389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225312132077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112656066018 + 112656066019.

It is an arithmetic number, because the mean of its divisors is an integer number (112656066019).

Almost surely, 2^225312132037 is an apocalyptic number.

It is an amenable number.

225312132037 is a deficient number, since it is larger than the sum of its proper divisors (1).

225312132037 is an equidigital number, since it uses as much as digits as its factorization.

225312132037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 225312132037 its reverse (730231213522), we get a palindrome (955543345559).

The spelling of 225312132037 in words is "two hundred twenty-five billion, three hundred twelve million, one hundred thirty-two thousand, thirty-seven".