2261258 has 4 divisors (see below), whose sum is σ = 3391890. Its totient is φ = 1130628.

The previous prime is 2261227. The next prime is 2261267. The reversal of 2261258 is 8521622.

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

It can be written as a sum of positive squares in only one way, i.e., 1723969 + 537289 = 1313^2 + 733^2 .

It is a super-2 number, since 2×2261258² = 10226575485128, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565313 + ... + 565316.

2^2261258 is an apocalyptic number.

2261258 is a deficient number, since it is larger than the sum of its proper divisors (1130632).

2261258 is a wasteful number, since it uses less digits than its factorization.

2261258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130631.

The product of its digits is 1920, while the sum is 26.

The square root of 2261258 is about 1503.7479842048. The cubic root of 2261258 is about 131.2552566300.

The spelling of 2261258 in words is "two million, two hundred sixty-one thousand, two hundred fifty-eight".