1473543997 has 2 divisors, whose sum is σ = 1473543998. Its totient is φ = 1473543996.

The previous prime is 1473543991. The next prime is 1473544019. The reversal of 1473543997 is 7993453741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826045081 + 647498916 = 28741^2 + 25446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473543997 - 2³ = 1473543989 is a prime.

It is a super-2 number, since 2×1473543997² = 4342663822189472018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473543991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736771998 + 736771999.

It is an arithmetic number, because the mean of its divisors is an integer number (736771999).

Almost surely, 2^1473543997 is an apocalyptic number.

It is an amenable number.

1473543997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473543997 is an equidigital number, since it uses as much as digits as its factorization.

1473543997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The square root of 1473543997 is about 38386.7685146848. The cubic root of 1473543997 is about 1137.9443814108.

The spelling of 1473543997 in words is "one billion, four hundred seventy-three million, five hundred forty-three thousand, nine hundred ninety-seven".