3645000253 has 2 divisors, whose sum is σ = 3645000254. Its totient is φ = 3645000252.

The previous prime is 3645000239. The next prime is 3645000257. The reversal of 3645000253 is 3520005463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3644899129 + 101124 = 60373^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 3645000253 - 2¹⁷ = 3644869181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822500126 + 1822500127.

It is an arithmetic number, because the mean of its divisors is an integer number (1822500127).

Almost surely, 2^3645000253 is an apocalyptic number.

It is an amenable number.

3645000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645000253 is an equidigital number, since it uses as much as digits as its factorization.

3645000253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 3645000253 is about 60373.8374877728. The cubic root of 3645000253 is about 1538.9783876159.

The spelling of 3645000253 in words is "three billion, six hundred forty-five million, two hundred fifty-three", and thus it is an aban number.