2582742397 has 8 divisors (see below), whose sum is σ = 2652068160. Its totient is φ = 2513718240.

The previous prime is 2582742389. The next prime is 2582742403. The reversal of 2582742397 is 7932472852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2582742397 - 2³ = 2582742389 is a prime.

It is a super-2 number, since 2×2582742397² = 13341116578522611218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2582742397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582742307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57993 + ... + 92350.

It is an arithmetic number, because the mean of its divisors is an integer number (331508520).

Almost surely, 2^2582742397 is an apocalyptic number.

It is an amenable number.

2582742397 is a deficient number, since it is larger than the sum of its proper divisors (69325763).

2582742397 is a wasteful number, since it uses less digits than its factorization.

2582742397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150803.

The product of its digits is 1693440, while the sum is 49.

The square root of 2582742397 is about 50820.6886710521. The cubic root of 2582742397 is about 1372.0197528584.

The spelling of 2582742397 in words is "two billion, five hundred eighty-two million, seven hundred forty-two thousand, three hundred ninety-seven".