1497450961 has 2 divisors, whose sum is σ = 1497450962. Its totient is φ = 1497450960.

The previous prime is 1497450953. The next prime is 1497450991. The reversal of 1497450961 is 1690547941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908660736 + 588790225 = 30144^2 + 24265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1497450961 - 2³ = 1497450953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1497450991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748725480 + 748725481.

It is an arithmetic number, because the mean of its divisors is an integer number (748725481).

Almost surely, 2^1497450961 is an apocalyptic number.

It is an amenable number.

1497450961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497450961 is an equidigital number, since it uses as much as digits as its factorization.

1497450961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1497450961 is about 38696.9115175876. The cubic root of 1497450961 is about 1144.0654479587.

The spelling of 1497450961 in words is "one billion, four hundred ninety-seven million, four hundred fifty thousand, nine hundred sixty-one".