1053053261 has 4 divisors (see below), whose sum is σ = 1134057372. Its totient is φ = 972049152.

The previous prime is 1053053257. The next prime is 1053053269. The reversal of 1053053261 is 1623503501.

1053053261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85470025 + 967583236 = 9245^2 + 31106^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053053261 - 2² = 1053053257 is a prime.

It is a super-2 number, since 2×1053053261² = 2217842341005468242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053053261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053053269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40502036 + ... + 40502061.

It is an arithmetic number, because the mean of its divisors is an integer number (283514343).

Almost surely, 2^1053053261 is an apocalyptic number.

It is an amenable number.

1053053261 is a deficient number, since it is larger than the sum of its proper divisors (81004111).

1053053261 is an equidigital number, since it uses as much as digits as its factorization.

1053053261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81004110.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1053053261 is about 32450.7821323308. The cubic root of 1053053261 is about 1017.3805854463.

Adding to 1053053261 its reverse (1623503501), we get a palindrome (2676556762).

The spelling of 1053053261 in words is "one billion, fifty-three million, fifty-three thousand, two hundred sixty-one".