1248545453 has 2 divisors, whose sum is σ = 1248545454. Its totient is φ = 1248545452.

The previous prime is 1248545449. The next prime is 1248545471. The reversal of 1248545453 is 3545458421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1179372964 + 69172489 = 34342^2 + 8317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248545453 - 2² = 1248545449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248545453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248547453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624272726 + 624272727.

It is an arithmetic number, because the mean of its divisors is an integer number (624272727).

Almost surely, 2^1248545453 is an apocalyptic number.

It is an amenable number.

1248545453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248545453 is an equidigital number, since it uses as much as digits as its factorization.

1248545453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384000, while the sum is 41.

The square root of 1248545453 is about 35334.7626707751. The cubic root of 1248545453 is about 1076.7993526414.

The spelling of 1248545453 in words is "one billion, two hundred forty-eight million, five hundred forty-five thousand, four hundred fifty-three".