2162538551 has 2 divisors, whose sum is σ = 2162538552. Its totient is φ = 2162538550.

The previous prime is 2162538503. The next prime is 2162538569. The reversal of 2162538551 is 1558352612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162538551 - 2²² = 2158344247 is a prime.

It is a super-2 number, since 2×2162538551² = 9353145969122359202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162538571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081269275 + 1081269276.

It is an arithmetic number, because the mean of its divisors is an integer number (1081269276).

Almost surely, 2^2162538551 is an apocalyptic number.

2162538551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162538551 is an equidigital number, since it uses as much as digits as its factorization.

2162538551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 38.

The square root of 2162538551 is about 46503.1025954183. The cubic root of 2162538551 is about 1293.1670178329.

The spelling of 2162538551 in words is "two billion, one hundred sixty-two million, five hundred thirty-eight thousand, five hundred fifty-one".