1005490537 has 2 divisors, whose sum is σ = 1005490538. Its totient is φ = 1005490536.

The previous prime is 1005490531. The next prime is 1005490547. The reversal of 1005490537 is 7350945001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005143616 + 346921 = 31704^2 + 589^2 .

It is an emirp because it is prime and its reverse (7350945001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005490537 - 2³ = 1005490529 is a prime.

It is a super-2 number, since 2×1005490537² = 2022022439993096738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1005490531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502745268 + 502745269.

It is an arithmetic number, because the mean of its divisors is an integer number (502745269).

Almost surely, 2^1005490537 is an apocalyptic number.

It is an amenable number.

1005490537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005490537 is an equidigital number, since it uses as much as digits as its factorization.

1005490537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 1005490537 is about 31709.4707776715. The cubic root of 1005490537 is about 1001.8268396247.

The spelling of 1005490537 in words is "one billion, five million, four hundred ninety thousand, five hundred thirty-seven".