1215414253 has 2 divisors, whose sum is σ = 1215414254. Its totient is φ = 1215414252.

The previous prime is 1215414247. The next prime is 1215414259. The reversal of 1215414253 is 3524145121.

It is a balanced prime because it is at equal distance from previous prime (1215414247) and next prime (1215414259).

It can be written as a sum of positive squares in only one way, i.e., 1076692969 + 138721284 = 32813^2 + 11778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1215414253 - 2⁹ = 1215413741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1215414259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607707126 + 607707127.

It is an arithmetic number, because the mean of its divisors is an integer number (607707127).

Almost surely, 2^1215414253 is an apocalyptic number.

It is an amenable number.

1215414253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215414253 is an equidigital number, since it uses as much as digits as its factorization.

1215414253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 1215414253 is about 34862.7918130491. The cubic root of 1215414253 is about 1067.1892494784.

Adding to 1215414253 its reverse (3524145121), we get a palindrome (4739559374).

The spelling of 1215414253 in words is "one billion, two hundred fifteen million, four hundred fourteen thousand, two hundred fifty-three".