215046253 has 2 divisors, whose sum is σ = 215046254. Its totient is φ = 215046252.

The previous prime is 215046241. The next prime is 215046269. The reversal of 215046253 is 352640512.

215046253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212080969 + 2965284 = 14563^2 + 1722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215046253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215046233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107523126 + 107523127.

It is an arithmetic number, because the mean of its divisors is an integer number (107523127).

Almost surely, 2^215046253 is an apocalyptic number.

It is an amenable number.

215046253 is a deficient number, since it is larger than the sum of its proper divisors (1).

215046253 is an equidigital number, since it uses as much as digits as its factorization.

215046253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 215046253 is about 14664.4554280069. The cubic root of 215046253 is about 599.1155979548.

Adding to 215046253 its reverse (352640512), we get a palindrome (567686765).

The spelling of 215046253 in words is "two hundred fifteen million, forty-six thousand, two hundred fifty-three".