2573261 has 2 divisors, whose sum is σ = 2573262. Its totient is φ = 2573260.

The previous prime is 2573251. The next prime is 2573287. The reversal of 2573261 is 1623752.

It is an a-pointer prime, because the next prime (2573287) can be obtained adding 2573261 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 155236 = 1555^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573261 - 2¹⁰ = 2572237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2573261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286630 + 1286631.

It is an arithmetic number, because the mean of its divisors is an integer number (1286631).

2^2573261 is an apocalyptic number.

It is an amenable number.

2573261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573261 is an equidigital number, since it uses as much as digits as its factorization.

2573261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 2573261 is about 1604.1387097131. The cubic root of 2573261 is about 137.0338772847.

The spelling of 2573261 in words is "two million, five hundred seventy-three thousand, two hundred sixty-one".