502540537 has 2 divisors, whose sum is σ = 502540538. Its totient is φ = 502540536.

The previous prime is 502540517. The next prime is 502540561. The reversal of 502540537 is 735045205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493683961 + 8856576 = 22219^2 + 2976^2 .

It is a cyclic number.

It is not a de Polignac number, because 502540537 - 2¹⁵ = 502507769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502540499 and 502540508.

It is not a weakly prime, because it can be changed into another prime (502540517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251270268 + 251270269.

It is an arithmetic number, because the mean of its divisors is an integer number (251270269).

Almost surely, 2^502540537 is an apocalyptic number.

It is an amenable number.

502540537 is a deficient number, since it is larger than the sum of its proper divisors (1).

502540537 is an equidigital number, since it uses as much as digits as its factorization.

502540537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 502540537 is about 22417.4159304769. The cubic root of 502540537 is about 795.0425392899.

The spelling of 502540537 in words is "five hundred two million, five hundred forty thousand, five hundred thirty-seven".