2261051 has 12 divisors (see below), whose sum is σ = 2595672. Its totient is φ = 1961856.

The previous prime is 2261041. The next prime is 2261053. The reversal of 2261051 is 1501622.

It is not a de Polignac number, because 2261051 - 2¹⁴ = 2244667 is a prime.

It is a super-2 number, since 2×2261051² = 10224703249202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2480 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (216306).

2^2261051 is an apocalyptic number.

2261051 is a deficient number, since it is larger than the sum of its proper divisors (334621).

2261051 is a wasteful number, since it uses less digits than its factorization.

2261051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2261051 is about 1503.6791546071. The cubic root of 2261051 is about 131.2512513864.

Adding to 2261051 its reverse (1501622), we get a palindrome (3762673).

The spelling of 2261051 in words is "two million, two hundred sixty-one thousand, fifty-one".