2567261 has 4 divisors (see below), whose sum is σ = 2702400. Its totient is φ = 2432124.

The previous prime is 2567233. The next prime is 2567269. The reversal of 2567261 is 1627652.

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 not a de Polignac number, because 2567261 - 2⁶ = 2567197 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2567269) 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, 67541 + ... + 67578.

It is an arithmetic number, because the mean of its divisors is an integer number (675600).

2^2567261 is an apocalyptic number.

It is an amenable number.

2567261 is a deficient number, since it is larger than the sum of its proper divisors (135139).

2567261 is a wasteful number, since it uses less digits than its factorization.

2567261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135138.

The product of its digits is 5040, while the sum is 29.

The square root of 2567261 is about 1602.2674558263. The cubic root of 2567261 is about 136.9272883911.

The spelling of 2567261 in words is "two million, five hundred sixty-seven thousand, two hundred sixty-one".