1480561921 has 2 divisors, whose sum is σ = 1480561922. Its totient is φ = 1480561920.

The previous prime is 1480561897. The next prime is 1480561963. The reversal of 1480561921 is 1291650841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018311921 + 462250000 = 31911^2 + 21500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1480561921 - 2²⁹ = 943691009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1480561981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740280960 + 740280961.

It is an arithmetic number, because the mean of its divisors is an integer number (740280961).

Almost surely, 2^1480561921 is an apocalyptic number.

It is an amenable number.

1480561921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480561921 is an equidigital number, since it uses as much as digits as its factorization.

1480561921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1480561921 is about 38478.0706506966. The cubic root of 1480561921 is about 1139.7480516881.

The spelling of 1480561921 in words is "one billion, four hundred eighty million, five hundred sixty-one thousand, nine hundred twenty-one".