1264560053 has 4 divisors (see below), whose sum is σ = 1264667148. Its totient is φ = 1264452960.

The previous prime is 1264560049. The next prime is 1264560071. The reversal of 1264560053 is 3500654621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3500654621 = 349 ⋅10030529.

It can be written as a sum of positive squares in 2 ways, for example, as 573027844 + 691532209 = 23938^2 + 26297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264560053 - 2² = 1264560049 is a prime.

It is a super-2 number, since 2×1264560053² = 3198224255286725618, 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 (1264560043) 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, 33278 + ... + 60303.

It is an arithmetic number, because the mean of its divisors is an integer number (316166787).

Almost surely, 2^1264560053 is an apocalyptic number.

It is an amenable number.

1264560053 is a deficient number, since it is larger than the sum of its proper divisors (107095).

1264560053 is an equidigital number, since it uses as much as digits as its factorization.

1264560053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107094.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1264560053 is about 35560.6531576685. The cubic root of 1264560053 is about 1081.3837011184.

The spelling of 1264560053 in words is "one billion, two hundred sixty-four million, five hundred sixty thousand, fifty-three".