1025331253 has 2 divisors, whose sum is σ = 1025331254. Its totient is φ = 1025331252.

The previous prime is 1025331247. The next prime is 1025331311. The reversal of 1025331253 is 3521335201.

1025331253 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., 1025152324 + 178929 = 32018^2 + 423^2 .

It is an emirp because it is prime and its reverse (3521335201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025331253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025331233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512665626 + 512665627.

It is an arithmetic number, because the mean of its divisors is an integer number (512665627).

Almost surely, 2^1025331253 is an apocalyptic number.

It is an amenable number.

1025331253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025331253 is an equidigital number, since it uses as much as digits as its factorization.

1025331253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1025331253 is about 32020.7940719777. The cubic root of 1025331253 is about 1008.3734407894.

Adding to 1025331253 its reverse (3521335201), we get a palindrome (4546666454).

The spelling of 1025331253 in words is "one billion, twenty-five million, three hundred thirty-one thousand, two hundred fifty-three".