1044201553 has 2 divisors, whose sum is σ = 1044201554. Its totient is φ = 1044201552.

The previous prime is 1044201511. The next prime is 1044201559. The reversal of 1044201553 is 3551024401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603537489 + 440664064 = 24567^2 + 20992^2 .

It is an emirp because it is prime and its reverse (3551024401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044201553 is a prime.

It is a super-2 number, since 2×1044201553² = 2180713766575223618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1044201559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522100776 + 522100777.

It is an arithmetic number, because the mean of its divisors is an integer number (522100777).

Almost surely, 2^1044201553 is an apocalyptic number.

It is an amenable number.

1044201553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044201553 is an equidigital number, since it uses as much as digits as its factorization.

1044201553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1044201553 is about 32314.1076466611. The cubic root of 1044201553 is about 1014.5219433329.

Adding to 1044201553 its reverse (3551024401), we get a palindrome (4595225954).

The spelling of 1044201553 in words is "one billion, forty-four million, two hundred one thousand, five hundred fifty-three".