511488427 has 2 divisors, whose sum is σ = 511488428. Its totient is φ = 511488426.

The previous prime is 511488409. The next prime is 511488433. The reversal of 511488427 is 724884115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511488427 - 2¹¹ = 511486379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 511488427.

It is not a weakly prime, because it can be changed into another prime (511480427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255744213 + 255744214.

It is an arithmetic number, because the mean of its divisors is an integer number (255744214).

Almost surely, 2^511488427 is an apocalyptic number.

511488427 is a deficient number, since it is larger than the sum of its proper divisors (1).

511488427 is an equidigital number, since it uses as much as digits as its factorization.

511488427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 40.

The square root of 511488427 is about 22616.1098998037. The cubic root of 511488427 is about 799.7334669392.

The spelling of 511488427 in words is "five hundred eleven million, four hundred eighty-eight thousand, four hundred twenty-seven".