2573258281 has 4 divisors (see below), whose sum is σ = 2807190864. Its totient is φ = 2339325700.

The previous prime is 2573258267. The next prime is 2573258287. The reversal of 2573258281 is 1828523752.

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 2573258281 - 2¹¹ = 2573256233 is a prime.

It is a super-2 number, since 2×2573258281² = 13243316361470149922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573258287) 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, 116966275 + ... + 116966296.

It is an arithmetic number, because the mean of its divisors is an integer number (701797716).

Almost surely, 2^2573258281 is an apocalyptic number.

It is an amenable number.

2573258281 is a deficient number, since it is larger than the sum of its proper divisors (233932583).

2573258281 is a wasteful number, since it uses less digits than its factorization.

2573258281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233932582.

The product of its digits is 268800, while the sum is 43.

The square root of 2573258281 is about 50727.2932552093. The cubic root of 2573258281 is about 1370.3382901969.

The spelling of 2573258281 in words is "two billion, five hundred seventy-three million, two hundred fifty-eight thousand, two hundred eighty-one".