526013987 has 2 divisors, whose sum is σ = 526013988. Its totient is φ = 526013986.

The previous prime is 526013963. The next prime is 526014007. The reversal of 526013987 is 789310625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 526013987 - 2⁸ = 526013731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (526010987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263006993 + 263006994.

It is an arithmetic number, because the mean of its divisors is an integer number (263006994).

Almost surely, 2^526013987 is an apocalyptic number.

526013987 is a deficient number, since it is larger than the sum of its proper divisors (1).

526013987 is an equidigital number, since it uses as much as digits as its factorization.

526013987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 526013987 is about 22934.9948114230. The cubic root of 526013987 is about 807.2333527091.

The spelling of 526013987 in words is "five hundred twenty-six million, thirteen thousand, nine hundred eighty-seven".