502540487 has 2 divisors, whose sum is σ = 502540488. Its totient is φ = 502540486.

The previous prime is 502540483. The next prime is 502540517. The reversal of 502540487 is 784045205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502540487 - 2² = 502540483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502540483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251270243 + 251270244.

It is an arithmetic number, because the mean of its divisors is an integer number (251270244).

Almost surely, 2^502540487 is an apocalyptic number.

502540487 is a deficient number, since it is larger than the sum of its proper divisors (1).

502540487 is an equidigital number, since it uses as much as digits as its factorization.

502540487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 502540487 is about 22417.4148152725. The cubic root of 502540487 is about 795.0425129224.

The spelling of 502540487 in words is "five hundred two million, five hundred forty thousand, four hundred eighty-seven".