4253921251 has 2 divisors, whose sum is σ = 4253921252. Its totient is φ = 4253921250.

The previous prime is 4253921239. The next prime is 4253921281. The reversal of 4253921251 is 1521293524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4253921251 - 2²¹ = 4251824099 is a prime.

It is not a weakly prime, because it can be changed into another prime (4253921281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126960625 + 2126960626.

It is an arithmetic number, because the mean of its divisors is an integer number (2126960626).

Almost surely, 2^4253921251 is an apocalyptic number.

4253921251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4253921251 is an equidigital number, since it uses as much as digits as its factorization.

4253921251 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 4253921251 is about 65222.0917404525. The cubic root of 4253921251 is about 1620.3039173493.

The spelling of 4253921251 in words is "four billion, two hundred fifty-three million, nine hundred twenty-one thousand, two hundred fifty-one".