1452553493 has 2 divisors, whose sum is σ = 1452553494. Its totient is φ = 1452553492.

The previous prime is 1452553441. The next prime is 1452553517. The reversal of 1452553493 is 3943552541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 920697649 + 531855844 = 30343^2 + 23062^2 .

It is an emirp because it is prime and its reverse (3943552541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452553493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1452553493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452550493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726276746 + 726276747.

It is an arithmetic number, because the mean of its divisors is an integer number (726276747).

Almost surely, 2^1452553493 is an apocalyptic number.

It is an amenable number.

1452553493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452553493 is an equidigital number, since it uses as much as digits as its factorization.

1452553493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The square root of 1452553493 is about 38112.3797866258. The cubic root of 1452553493 is about 1132.5152141705.

The spelling of 1452553493 in words is "one billion, four hundred fifty-two million, five hundred fifty-three thousand, four hundred ninety-three".