72525163 has 2 divisors, whose sum is σ = 72525164. Its totient is φ = 72525162.

The previous prime is 72525139. The next prime is 72525169. The reversal of 72525163 is 36152527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72525163 - 2²¹ = 70428011 is a prime.

It is not a weakly prime, because it can be changed into another prime (72525169) 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, 36262581 + 36262582.

It is an arithmetic number, because the mean of its divisors is an integer number (36262582).

Almost surely, 2^72525163 is an apocalyptic number.

72525163 is a deficient number, since it is larger than the sum of its proper divisors (1).

72525163 is an equidigital number, since it uses as much as digits as its factorization.

72525163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 72525163 is about 8516.1706770121. The cubic root of 72525163 is about 417.0257811372.

The spelling of 72525163 in words is "seventy-two million, five hundred twenty-five thousand, one hundred sixty-three".