1481532461 has 2 divisors, whose sum is σ = 1481532462. Its totient is φ = 1481532460.

The previous prime is 1481532443. The next prime is 1481532509. The reversal of 1481532461 is 1642351841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1365302500 + 116229961 = 36950^2 + 10781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481532461 - 2⁶ = 1481532397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481532061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740766230 + 740766231.

It is an arithmetic number, because the mean of its divisors is an integer number (740766231).

Almost surely, 2^1481532461 is an apocalyptic number.

It is an amenable number.

1481532461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481532461 is an equidigital number, since it uses as much as digits as its factorization.

1481532461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 1481532461 is about 38490.6801836497. The cubic root of 1481532461 is about 1139.9970403637.

The spelling of 1481532461 in words is "one billion, four hundred eighty-one million, five hundred thirty-two thousand, four hundred sixty-one".