1462543661 has 2 divisors, whose sum is σ = 1462543662. Its totient is φ = 1462543660.

The previous prime is 1462543597. The next prime is 1462543673. The reversal of 1462543661 is 1663452641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751308100 + 711235561 = 27410^2 + 26669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1462543661 - 2⁶ = 1462543597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1462543261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731271830 + 731271831.

It is an arithmetic number, because the mean of its divisors is an integer number (731271831).

Almost surely, 2^1462543661 is an apocalyptic number.

It is an amenable number.

1462543661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1462543661 is an equidigital number, since it uses as much as digits as its factorization.

1462543661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 1462543661 is about 38243.2171894573. The cubic root of 1462543661 is about 1135.1056357915.

The spelling of 1462543661 in words is "one billion, four hundred sixty-two million, five hundred forty-three thousand, six hundred sixty-one".