2151352249 has 2 divisors, whose sum is σ = 2151352250. Its totient is φ = 2151352248.

The previous prime is 2151352183. The next prime is 2151352271. The reversal of 2151352249 is 9422531512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2086662400 + 64689849 = 45680^2 + 8043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151352249 - 2²⁷ = 2017134521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151352549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075676124 + 1075676125.

It is an arithmetic number, because the mean of its divisors is an integer number (1075676125).

Almost surely, 2^2151352249 is an apocalyptic number.

It is an amenable number.

2151352249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151352249 is an equidigital number, since it uses as much as digits as its factorization.

2151352249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 2151352249 is about 46382.6718613751. The cubic root of 2151352249 is about 1290.9334127382.

The spelling of 2151352249 in words is "two billion, one hundred fifty-one million, three hundred fifty-two thousand, two hundred forty-nine".