8742511 has 2 divisors, whose sum is σ = 8742512. Its totient is φ = 8742510.

The previous prime is 8742499. The next prime is 8742529. The reversal of 8742511 is 1152478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8742511 - 2¹⁷ = 8611439 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8742511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8742541) 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, 4371255 + 4371256.

It is an arithmetic number, because the mean of its divisors is an integer number (4371256).

Almost surely, 2^8742511 is an apocalyptic number.

8742511 is a deficient number, since it is larger than the sum of its proper divisors (1).

8742511 is an equidigital number, since it uses as much as digits as its factorization.

8742511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 28.

The square root of 8742511 is about 2956.7737485307. The cubic root of 8742511 is about 206.0054590566.

Adding to 8742511 its reverse (1152478), we get a palindrome (9894989).

The spelling of 8742511 in words is "eight million, seven hundred forty-two thousand, five hundred eleven".