2151242153 has 2 divisors, whose sum is σ = 2151242154. Its totient is φ = 2151242152.

The previous prime is 2151242131. The next prime is 2151242213. The reversal of 2151242153 is 3512421512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2122168489 + 29073664 = 46067^2 + 5392^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151242153 - 2¹² = 2151238057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151245153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075621076 + 1075621077.

It is an arithmetic number, because the mean of its divisors is an integer number (1075621077).

Almost surely, 2^2151242153 is an apocalyptic number.

It is an amenable number.

2151242153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151242153 is an equidigital number, since it uses as much as digits as its factorization.

2151242153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 2151242153 is about 46381.4850236600. The cubic root of 2151242153 is about 1290.9113910804.

Adding to 2151242153 its reverse (3512421512), we get a palindrome (5663663665).

The spelling of 2151242153 in words is "two billion, one hundred fifty-one million, two hundred forty-two thousand, one hundred fifty-three".