1480453621 has 4 divisors (see below), whose sum is σ = 1487968812. Its totient is φ = 1472938432.

The previous prime is 1480453613. The next prime is 1480453631. The reversal of 1480453621 is 1263540841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1048852996 + 431600625 = 32386^2 + 20775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1480453621 - 2³ = 1480453613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1480453631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757300 + ... + 3757693.

It is an arithmetic number, because the mean of its divisors is an integer number (371992203).

Almost surely, 2^1480453621 is an apocalyptic number.

It is an amenable number.

1480453621 is a deficient number, since it is larger than the sum of its proper divisors (7515191).

1480453621 is an equidigital number, since it uses as much as digits as its factorization.

1480453621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515190.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1480453621 is about 38476.6633298679. The cubic root of 1480453621 is about 1139.7202609504.

The spelling of 1480453621 in words is "one billion, four hundred eighty million, four hundred fifty-three thousand, six hundred twenty-one".