1501873073 has 2 divisors, whose sum is σ = 1501873074. Its totient is φ = 1501873072.

The previous prime is 1501873039. The next prime is 1501873097. The reversal of 1501873073 is 3703781051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1500555169 + 1317904 = 38737^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501873073 - 2⁸ = 1501872817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1501873003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750936536 + 750936537.

It is an arithmetic number, because the mean of its divisors is an integer number (750936537).

Almost surely, 2^1501873073 is an apocalyptic number.

It is an amenable number.

1501873073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501873073 is an equidigital number, since it uses as much as digits as its factorization.

1501873073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1501873073 is about 38754.0071863543. The cubic root of 1501873073 is about 1145.1905184396.

The spelling of 1501873073 in words is "one billion, five hundred one million, eight hundred seventy-three thousand, seventy-three".