1231460533 has 2 divisors, whose sum is σ = 1231460534. Its totient is φ = 1231460532.

The previous prime is 1231460491. The next prime is 1231460551. The reversal of 1231460533 is 3350641321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175255524 + 56205009 = 34282^2 + 7497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231460533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231460563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615730266 + 615730267.

It is an arithmetic number, because the mean of its divisors is an integer number (615730267).

Almost surely, 2^1231460533 is an apocalyptic number.

It is an amenable number.

1231460533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231460533 is an equidigital number, since it uses as much as digits as its factorization.

1231460533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1231460533 is about 35092.1719618493. The cubic root of 1231460533 is about 1071.8651874006.

The spelling of 1231460533 in words is "one billion, two hundred thirty-one million, four hundred sixty thousand, five hundred thirty-three".