3215251223 has 2 divisors, whose sum is σ = 3215251224. Its totient is φ = 3215251222.

The previous prime is 3215251187. The next prime is 3215251229. The reversal of 3215251223 is 3221525123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3215251223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3215251192 and 3215251201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215251229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607625611 + 1607625612.

It is an arithmetic number, because the mean of its divisors is an integer number (1607625612).

Almost surely, 2^3215251223 is an apocalyptic number.

3215251223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215251223 is an equidigital number, since it uses as much as digits as its factorization.

3215251223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 3215251223 is about 56703.1852985350. The cubic root of 3215251223 is about 1475.9499728138.

Adding to 3215251223 its reverse (3221525123), we get a palindrome (6436776346).

The spelling of 3215251223 in words is "three billion, two hundred fifteen million, two hundred fifty-one thousand, two hundred twenty-three".