1995526523 has 2 divisors, whose sum is σ = 1995526524. Its totient is φ = 1995526522.

The previous prime is 1995526493. The next prime is 1995526549. The reversal of 1995526523 is 3256255991.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1995526523 - 2¹⁸ = 1995264379 is a prime.

It is a super-2 number, since 2×1995526523² = 7964252207992939058, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1995526573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997763261 + 997763262.

It is an arithmetic number, because the mean of its divisors is an integer number (997763262).

Almost surely, 2^1995526523 is an apocalyptic number.

1995526523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995526523 is an equidigital number, since it uses as much as digits as its factorization.

1995526523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729000, while the sum is 47.

The square root of 1995526523 is about 44671.3165577197. The cubic root of 1995526523 is about 1258.9809773409.

The spelling of 1995526523 in words is "one billion, nine hundred ninety-five million, five hundred twenty-six thousand, five hundred twenty-three".