3665140253 has 2 divisors, whose sum is σ = 3665140254. Its totient is φ = 3665140252.

The previous prime is 3665140187. The next prime is 3665140277. The reversal of 3665140253 is 3520415663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3165975289 + 499164964 = 56267^2 + 22342^2 .

It is an emirp because it is prime and its reverse (3520415663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3665140253 - 2⁸ = 3665139997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3665160253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832570126 + 1832570127.

It is an arithmetic number, because the mean of its divisors is an integer number (1832570127).

Almost surely, 2^3665140253 is an apocalyptic number.

It is an amenable number.

3665140253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665140253 is an equidigital number, since it uses as much as digits as its factorization.

3665140253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 3665140253 is about 60540.4018239060. The cubic root of 3665140253 is about 1541.8076615779.

The spelling of 3665140253 in words is "three billion, six hundred sixty-five million, one hundred forty thousand, two hundred fifty-three".