1053044521 has 2 divisors, whose sum is σ = 1053044522. Its totient is φ = 1053044520.

The previous prime is 1053044507. The next prime is 1053044527. The reversal of 1053044521 is 1254403501.

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., 1044259225 + 8785296 = 32315^2 + 2964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053044521 - 2¹³ = 1053036329 is a prime.

It is a super-2 number, since 2×1053044521² = 2217805526416238882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053044527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526522260 + 526522261.

It is an arithmetic number, because the mean of its divisors is an integer number (526522261).

Almost surely, 2^1053044521 is an apocalyptic number.

It is an amenable number.

1053044521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053044521 is an equidigital number, since it uses as much as digits as its factorization.

1053044521 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 1053044521 is about 32450.6474665761. The cubic root of 1053044521 is about 1017.3777707957.

The spelling of 1053044521 in words is "one billion, fifty-three million, forty-four thousand, five hundred twenty-one".