1065254653 has 4 divisors (see below), whose sum is σ = 1065517888. Its totient is φ = 1064991420.

The previous prime is 1065254633. The next prime is 1065254669. The reversal of 1065254653 is 3564525601.

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 a de Polignac number, because none of the positive numbers 2^k-1065254653 is a prime.

It is a super-2 number, since 2×1065254653² = 2269534951476300818, 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 (1065254633) 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, 125451 + ... + 133672.

It is an arithmetic number, because the mean of its divisors is an integer number (266379472).

Almost surely, 2^1065254653 is an apocalyptic number.

It is an amenable number.

1065254653 is a deficient number, since it is larger than the sum of its proper divisors (263235).

1065254653 is an equidigital number, since it uses as much as digits as its factorization.

1065254653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263234.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1065254653 is about 32638.2391222321. The cubic root of 1065254653 is about 1021.2948610258.

The spelling of 1065254653 in words is "one billion, sixty-five million, two hundred fifty-four thousand, six hundred fifty-three".