1235481473 has 2 divisors, whose sum is σ = 1235481474. Its totient is φ = 1235481472.

The previous prime is 1235481469. The next prime is 1235481521. The reversal of 1235481473 is 3741845321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1179785104 + 55696369 = 34348^2 + 7463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235481473 - 2² = 1235481469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1235481073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617740736 + 617740737.

It is an arithmetic number, because the mean of its divisors is an integer number (617740737).

Almost surely, 2^1235481473 is an apocalyptic number.

It is an amenable number.

1235481473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235481473 is an equidigital number, since it uses as much as digits as its factorization.

1235481473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 1235481473 is about 35149.4163962931. The cubic root of 1235481473 is about 1073.0305308038.

The spelling of 1235481473 in words is "one billion, two hundred thirty-five million, four hundred eighty-one thousand, four hundred seventy-three".