2006501537 has 2 divisors, whose sum is σ = 2006501538. Its totient is φ = 2006501536.

The previous prime is 2006501521. The next prime is 2006501599. The reversal of 2006501537 is 7351056002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1814845201 + 191656336 = 42601^2 + 13844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006501537 - 2⁴ = 2006501521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2006501437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003250768 + 1003250769.

It is an arithmetic number, because the mean of its divisors is an integer number (1003250769).

Almost surely, 2^2006501537 is an apocalyptic number.

It is an amenable number.

2006501537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006501537 is an equidigital number, since it uses as much as digits as its factorization.

2006501537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2006501537 is about 44793.9899651728. The cubic root of 2006501537 is about 1261.2848104246.

Adding to 2006501537 its reverse (7351056002), we get a palindrome (9357557539).

The spelling of 2006501537 in words is "two billion, six million, five hundred one thousand, five hundred thirty-seven".