1053221501 has 4 divisors (see below), whose sum is σ = 1059105600. Its totient is φ = 1047337404.

The previous prime is 1053221483. The next prime is 1053221513. The reversal of 1053221501 is 1051223501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1053221501 - 2¹⁴ = 1053205117 is a prime.

It is a super-2 number, since 2×1053221501² = 2218551060337386002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053221531) 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 in 3 ways as a sum of consecutive naturals, for example, 2941781 + ... + 2942138.

It is an arithmetic number, because the mean of its divisors is an integer number (264776400).

Almost surely, 2^1053221501 is an apocalyptic number.

It is an amenable number.

1053221501 is a deficient number, since it is larger than the sum of its proper divisors (5884099).

1053221501 is an equidigital number, since it uses as much as digits as its factorization.

1053221501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884098.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1053221501 is about 32453.3742621626. The cubic root of 1053221501 is about 1017.4347628247.

The spelling of 1053221501 in words is "one billion, fifty-three million, two hundred twenty-one thousand, five hundred one".