1497407473 has 2 divisors, whose sum is σ = 1497407474. Its totient is φ = 1497407472.

The previous prime is 1497407437. The next prime is 1497407491. The reversal of 1497407473 is 3747047941.

Together with previous prime (1497407437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1168819344 + 328588129 = 34188^2 + 18127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1497407473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1497407173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748703736 + 748703737.

It is an arithmetic number, because the mean of its divisors is an integer number (748703737).

Almost surely, 2^1497407473 is an apocalyptic number.

It is an amenable number.

1497407473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497407473 is an equidigital number, since it uses as much as digits as its factorization.

1497407473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 1497407473 is about 38696.3496081995. The cubic root of 1497407473 is about 1144.0543727825.

The spelling of 1497407473 in words is "one billion, four hundred ninety-seven million, four hundred seven thousand, four hundred seventy-three".