2661053 has 4 divisors (see below), whose sum is σ = 2664540. Its totient is φ = 2657568.

The previous prime is 2661013. The next prime is 2661067. The reversal of 2661053 is 3501662.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 344569 + 2316484 = 587^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2661053 - 2⁶ = 2660989 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661013) 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, 50 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (666135).

2^2661053 is an apocalyptic number.

It is an amenable number.

2661053 is a deficient number, since it is larger than the sum of its proper divisors (3487).

2661053 is a wasteful number, since it uses less digits than its factorization.

2661053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2661053 is about 1631.2734289505. The cubic root of 2661053 is about 138.5748790318.

The spelling of 2661053 in words is "two million, six hundred sixty-one thousand, fifty-three".