1580972453 has 2 divisors, whose sum is σ = 1580972454. Its totient is φ = 1580972452.

The previous prime is 1580972363. The next prime is 1580972507. The reversal of 1580972453 is 3542790851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1261528324 + 319444129 = 35518^2 + 17873^2 .

It is an emirp because it is prime and its reverse (3542790851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1580972453 - 2²² = 1576778149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1580972053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790486226 + 790486227.

It is an arithmetic number, because the mean of its divisors is an integer number (790486227).

Almost surely, 2^1580972453 is an apocalyptic number.

It is an amenable number.

1580972453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1580972453 is an equidigital number, since it uses as much as digits as its factorization.

1580972453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 1580972453 is about 39761.4443022383. Note that the first 3 decimals coincide. The cubic root of 1580972453 is about 1164.9521867561.

The spelling of 1580972453 in words is "one billion, five hundred eighty million, nine hundred seventy-two thousand, four hundred fifty-three".