1500452491 has 2 divisors, whose sum is σ = 1500452492. Its totient is φ = 1500452490.

The previous prime is 1500452479. The next prime is 1500452497. The reversal of 1500452491 is 1942540051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1500452491 - 2¹¹ = 1500450443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1500452497) 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, 750226245 + 750226246.

It is an arithmetic number, because the mean of its divisors is an integer number (750226246).

Almost surely, 2^1500452491 is an apocalyptic number.

1500452491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500452491 is an equidigital number, since it uses as much as digits as its factorization.

1500452491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1500452491 is about 38735.6746552839. The cubic root of 1500452491 is about 1144.8293360682.

The spelling of 1500452491 in words is "one billion, five hundred million, four hundred fifty-two thousand, four hundred ninety-one".