2187355253 has 2 divisors, whose sum is σ = 2187355254. Its totient is φ = 2187355252.

The previous prime is 2187355249. The next prime is 2187355273. The reversal of 2187355253 is 3525537812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1501020049 + 686335204 = 38743^2 + 26198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2187355253 - 2² = 2187355249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2187355253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2187355213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093677626 + 1093677627.

It is an arithmetic number, because the mean of its divisors is an integer number (1093677627).

Almost surely, 2^2187355253 is an apocalyptic number.

It is an amenable number.

2187355253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187355253 is an equidigital number, since it uses as much as digits as its factorization.

2187355253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The square root of 2187355253 is about 46769.1698985560. The cubic root of 2187355253 is about 1298.0948925286.

The spelling of 2187355253 in words is "two billion, one hundred eighty-seven million, three hundred fifty-five thousand, two hundred fifty-three".