2152154113 has 2 divisors, whose sum is σ = 2152154114. Its totient is φ = 2152154112.

The previous prime is 2152154087. The next prime is 2152154141. The reversal of 2152154113 is 3114512512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1353356944 + 798797169 = 36788^2 + 28263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152154113 is a prime.

It is a super-2 number, since 2×2152154113² = 9263534652205633538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2152154713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076077056 + 1076077057.

It is an arithmetic number, because the mean of its divisors is an integer number (1076077057).

Almost surely, 2^2152154113 is an apocalyptic number.

It is an amenable number.

2152154113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152154113 is an equidigital number, since it uses as much as digits as its factorization.

2152154113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 2152154113 is about 46391.3150600411. The cubic root of 2152154113 is about 1291.0937807808.

Adding to 2152154113 its reverse (3114512512), we get a palindrome (5266666625).

The spelling of 2152154113 in words is "two billion, one hundred fifty-two million, one hundred fifty-four thousand, one hundred thirteen".