1533707473 has 2 divisors, whose sum is σ = 1533707474. Its totient is φ = 1533707472.

The previous prime is 1533707429. The next prime is 1533707477. The reversal of 1533707473 is 3747073351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170118849 + 363588624 = 34207^2 + 19068^2 .

It is a cyclic number.

It is not a de Polignac number, because 1533707473 - 2¹³ = 1533699281 is a prime.

It is a super-2 number, since 2×1533707473² = 4704517225472091458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1533707477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766853736 + 766853737.

It is an arithmetic number, because the mean of its divisors is an integer number (766853737).

Almost surely, 2^1533707473 is an apocalyptic number.

It is an amenable number.

1533707473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1533707473 is an equidigital number, since it uses as much as digits as its factorization.

1533707473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 40.

The square root of 1533707473 is about 39162.5774560358. The cubic root of 1533707473 is about 1153.2253433272.

The spelling of 1533707473 in words is "one billion, five hundred thirty-three million, seven hundred seven thousand, four hundred seventy-three".