2421323540025 has 144 divisors (see below), whose sum is σ = 4428371030400. Its totient is φ = 1166528563200.

The previous prime is 2421323540023. The next prime is 2421323540059. The reversal of 2421323540025 is 5200453231242.

It is not a de Polignac number, because 2421323540025 - 2¹ = 2421323540023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421323540023) 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 143 ways as a sum of consecutive naturals, for example, 153853957 + ... + 153869693.

It is an arithmetic number, because the mean of its divisors is an integer number (30752576600).

Almost surely, 2^{2421323540025} is an apocalyptic number.

2421323540025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2421323540025 is a deficient number, since it is larger than the sum of its proper divisors (2007047490375).

2421323540025 is a wasteful number, since it uses less digits than its factorization.

2421323540025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16036 (or 16018 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 2421323540025 its reverse (5200453231242), we get a palindrome (7621776771267).

The spelling of 2421323540025 in words is "two trillion, four hundred twenty-one billion, three hundred twenty-three million, five hundred forty thousand, twenty-five".