2645325253 has 2 divisors, whose sum is σ = 2645325254. Its totient is φ = 2645325252.

The previous prime is 2645325233. The next prime is 2645325271. The reversal of 2645325253 is 3525235462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2051818209 + 593507044 = 45297^2 + 24362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645325253 - 2²¹ = 2643228101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645325203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322662626 + 1322662627.

It is an arithmetic number, because the mean of its divisors is an integer number (1322662627).

Almost surely, 2^2645325253 is an apocalyptic number.

It is an amenable number.

2645325253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645325253 is an equidigital number, since it uses as much as digits as its factorization.

2645325253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 37.

The square root of 2645325253 is about 51432.7255062378. The cubic root of 2645325253 is about 1383.0133085349.

The spelling of 2645325253 in words is "two billion, six hundred forty-five million, three hundred twenty-five thousand, two hundred fifty-three".