1461535133 has 2 divisors, whose sum is σ = 1461535134. Its totient is φ = 1461535132.

The previous prime is 1461535129. The next prime is 1461535147. The reversal of 1461535133 is 3315351641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1447193764 + 14341369 = 38042^2 + 3787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461535133 - 2² = 1461535129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1461535133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461535123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730767566 + 730767567.

It is an arithmetic number, because the mean of its divisors is an integer number (730767567).

Almost surely, 2^1461535133 is an apocalyptic number.

It is an amenable number.

1461535133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461535133 is an equidigital number, since it uses as much as digits as its factorization.

1461535133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 1461535133 is about 38230.0292048018. The cubic root of 1461535133 is about 1134.8446637410.

Adding to 1461535133 its reverse (3315351641), we get a palindrome (4776886774).

The spelling of 1461535133 in words is "one billion, four hundred sixty-one million, five hundred thirty-five thousand, one hundred thirty-three".