3975524251 has 2 divisors, whose sum is σ = 3975524252. Its totient is φ = 3975524250.

The previous prime is 3975524219. The next prime is 3975524323. The reversal of 3975524251 is 1524255793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3975524251 - 2⁵ = 3975524219 is a prime.

It is a super-2 number, since 2×3975524251² = 31609586140578222002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3975524198 and 3975524207.

It is not a weakly prime, because it can be changed into another prime (3975524051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987762125 + 1987762126.

It is an arithmetic number, because the mean of its divisors is an integer number (1987762126).

Almost surely, 2^3975524251 is an apocalyptic number.

3975524251 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975524251 is an equidigital number, since it uses as much as digits as its factorization.

3975524251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 43.

The square root of 3975524251 is about 63051.7585083874. The cubic root of 3975524251 is about 1584.1566897838.

The spelling of 3975524251 in words is "three billion, nine hundred seventy-five million, five hundred twenty-four thousand, two hundred fifty-one".