215124053 has 2 divisors, whose sum is σ = 215124054. Its totient is φ = 215124052.

The previous prime is 215124011. The next prime is 215124101. The reversal of 215124053 is 350421512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202578289 + 12545764 = 14233^2 + 3542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215124053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215126053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107562026 + 107562027.

It is an arithmetic number, because the mean of its divisors is an integer number (107562027).

Almost surely, 2^215124053 is an apocalyptic number.

It is an amenable number.

215124053 is a deficient number, since it is larger than the sum of its proper divisors (1).

215124053 is an equidigital number, since it uses as much as digits as its factorization.

215124053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 215124053 is about 14667.1078607884. The cubic root of 215124053 is about 599.1878391168.

Adding to 215124053 its reverse (350421512), we get a palindrome (565545565).

The spelling of 215124053 in words is "two hundred fifteen million, one hundred twenty-four thousand, fifty-three".