2153035987 has 2 divisors, whose sum is σ = 2153035988. Its totient is φ = 2153035986.

The previous prime is 2153035981. The next prime is 2153035991. The reversal of 2153035987 is 7895303512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153035987 is a prime.

It is a super-2 number, since 2×2153035987² = 9271127922634128338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2153035981) 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, 1076517993 + 1076517994.

It is an arithmetic number, because the mean of its divisors is an integer number (1076517994).

Almost surely, 2^2153035987 is an apocalyptic number.

2153035987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153035987 is an equidigital number, since it uses as much as digits as its factorization.

2153035987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2153035987 is about 46400.8188182062. The cubic root of 2153035987 is about 1291.2701043612.

The spelling of 2153035987 in words is "two billion, one hundred fifty-three million, thirty-five thousand, nine hundred eighty-seven".