1217050253 has 2 divisors, whose sum is σ = 1217050254. Its totient is φ = 1217050252.

The previous prime is 1217050217. The next prime is 1217050277. The reversal of 1217050253 is 3520507121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866536969 + 350513284 = 29437^2 + 18722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1217050253 - 2⁶ = 1217050189 is a prime.

It is a super-2 number, since 2×1217050253² = 2962422636654728018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1217050753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608525126 + 608525127.

It is an arithmetic number, because the mean of its divisors is an integer number (608525127).

Almost surely, 2^1217050253 is an apocalyptic number.

It is an amenable number.

1217050253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217050253 is an equidigital number, since it uses as much as digits as its factorization.

1217050253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1217050253 is about 34886.2473332974. The cubic root of 1217050253 is about 1067.6678623824.

Adding to 1217050253 its reverse (3520507121), we get a palindrome (4737557374).

The spelling of 1217050253 in words is "one billion, two hundred seventeen million, fifty thousand, two hundred fifty-three".