2162501287 has 2 divisors, whose sum is σ = 2162501288. Its totient is φ = 2162501286.

The previous prime is 2162501281. The next prime is 2162501291. The reversal of 2162501287 is 7821052612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162501287 - 2¹¹ = 2162499239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162501281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081250643 + 1081250644.

It is an arithmetic number, because the mean of its divisors is an integer number (1081250644).

Almost surely, 2^2162501287 is an apocalyptic number.

2162501287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162501287 is an equidigital number, since it uses as much as digits as its factorization.

2162501287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2162501287 is about 46502.7019322534. The cubic root of 2162501287 is about 1293.1595900112.

Adding to 2162501287 its reverse (7821052612), we get a palindrome (9983553899).

The spelling of 2162501287 in words is "two billion, one hundred sixty-two million, five hundred one thousand, two hundred eighty-seven".