975528251 has 2 divisors, whose sum is σ = 975528252. Its totient is φ = 975528250.

The previous prime is 975528179. The next prime is 975528263. The reversal of 975528251 is 152825579.

975528251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975528251 is a prime.

It is not a weakly prime, because it can be changed into another prime (975528551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487764125 + 487764126.

It is an arithmetic number, because the mean of its divisors is an integer number (487764126).

Almost surely, 2^975528251 is an apocalyptic number.

975528251 is a deficient number, since it is larger than the sum of its proper divisors (1).

975528251 is an equidigital number, since it uses as much as digits as its factorization.

975528251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 44.

The square root of 975528251 is about 31233.4476323060. The cubic root of 975528251 is about 991.7752899335.

The spelling of 975528251 in words is "nine hundred seventy-five million, five hundred twenty-eight thousand, two hundred fifty-one".