2482491581 has 4 divisors (see below), whose sum is σ = 2487548064. Its totient is φ = 2477435100.

The previous prime is 2482491547. The next prime is 2482491587. The reversal of 2482491581 is 1851942842.

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 2482491581 - 2¹⁰ = 2482490557 is a prime.

It is a super-2 number, since 2×2482491581² = 12325528899471759122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2482491587) 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, 2527505 + ... + 2528486.

It is an arithmetic number, because the mean of its divisors is an integer number (621887016).

Almost surely, 2^2482491581 is an apocalyptic number.

It is an amenable number.

2482491581 is a deficient number, since it is larger than the sum of its proper divisors (5056483).

2482491581 is an equidigital number, since it uses as much as digits as its factorization.

2482491581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056482.

The product of its digits is 184320, while the sum is 44.

The square root of 2482491581 is about 49824.6081871197. The cubic root of 2482491581 is about 1354.0330389607.

The spelling of 2482491581 in words is "two billion, four hundred eighty-two million, four hundred ninety-one thousand, five hundred eighty-one".