2542415321 has 8 divisors (see below), whose sum is σ = 2597218560. Its totient is φ = 2487641728.

The previous prime is 2542415287. The next prime is 2542415339. The reversal of 2542415321 is 1235142452.

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 2542415321 - 2⁶ = 2542415257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542415341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310340 + ... + 318426.

It is an arithmetic number, because the mean of its divisors is an integer number (324652320).

Almost surely, 2^2542415321 is an apocalyptic number.

It is an amenable number.

2542415321 is a deficient number, since it is larger than the sum of its proper divisors (54803239).

2542415321 is an equidigital number, since it uses as much as digits as its factorization.

2542415321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823.

The product of its digits is 9600, while the sum is 29.

The square root of 2542415321 is about 50422.3692521484. The cubic root of 2542415321 is about 1364.8413311882.

Adding to 2542415321 its reverse (1235142452), we get a palindrome (3777557773).

The spelling of 2542415321 in words is "two billion, five hundred forty-two million, four hundred fifteen thousand, three hundred twenty-one".