2102152427 has 2 divisors, whose sum is σ = 2102152428. Its totient is φ = 2102152426.

The previous prime is 2102152421. The next prime is 2102152469. The reversal of 2102152427 is 7242512012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102152427 - 2⁴ = 2102152411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102152396 and 2102152405.

It is not a weakly prime, because it can be changed into another prime (2102152421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051076213 + 1051076214.

It is an arithmetic number, because the mean of its divisors is an integer number (1051076214).

Almost surely, 2^2102152427 is an apocalyptic number.

2102152427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102152427 is an equidigital number, since it uses as much as digits as its factorization.

2102152427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2102152427 is about 45849.2358387793. The cubic root of 2102152427 is about 1281.0165319691.

Adding to 2102152427 its reverse (7242512012), we get a palindrome (9344664439).

The spelling of 2102152427 in words is "two billion, one hundred two million, one hundred fifty-two thousand, four hundred twenty-seven".