1045512253 has 2 divisors, whose sum is σ = 1045512254. Its totient is φ = 1045512252.

The previous prime is 1045512233. The next prime is 1045512271. The reversal of 1045512253 is 3522155401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782488729 + 263023524 = 27973^2 + 16218^2 .

It is an emirp because it is prime and its reverse (3522155401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045512253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045512203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522756126 + 522756127.

It is an arithmetic number, because the mean of its divisors is an integer number (522756127).

Almost surely, 2^1045512253 is an apocalyptic number.

It is an amenable number.

1045512253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045512253 is an equidigital number, since it uses as much as digits as its factorization.

1045512253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1045512253 is about 32334.3819022415. The cubic root of 1045512253 is about 1014.9462477298.

Adding to 1045512253 its reverse (3522155401), we get a palindrome (4567667654).

The spelling of 1045512253 in words is "one billion, forty-five million, five hundred twelve thousand, two hundred fifty-three".