10520087 has 2 divisors, whose sum is σ = 10520088. Its totient is φ = 10520086.

The previous prime is 10520077. The next prime is 10520101. The reversal of 10520087 is 78002501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10520087 - 2⁴ = 10520071 is a prime.

It is a super-2 number, since 2×10520087² = 221344460975138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10520017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260043 + 5260044.

It is an arithmetic number, because the mean of its divisors is an integer number (5260044).

Almost surely, 2^10520087 is an apocalyptic number.

10520087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520087 is an equidigital number, since it uses as much as digits as its factorization.

10520087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 10520087 is about 3243.4683596422. The cubic root of 10520087 is about 219.1155051891.

Adding to 10520087 its reverse (78002501), we get a palindrome (88522588).

The spelling of 10520087 in words is "ten million, five hundred twenty thousand, eighty-seven".