2261575 has 12 divisors (see below), whose sum is σ = 2852248. Its totient is φ = 1778400.

The previous prime is 2261573. The next prime is 2261587. The reversal of 2261575 is 5751622.

It is not a de Polignac number, because 2261575 - 2¹ = 2261573 is a prime.

It is a super-2 number, since 2×2261575² = 10229442961250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261573) 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, 784 + ... + 2266.

2^2261575 is an apocalyptic number.

2261575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2261575 is a deficient number, since it is larger than the sum of its proper divisors (590673).

2261575 is a wasteful number, since it uses less digits than its factorization.

2261575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1549 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 2261575 is about 1503.8533838111. The cubic root of 2261575 is about 131.2613897901.

The spelling of 2261575 in words is "two million, two hundred sixty-one thousand, five hundred seventy-five".