2421425531 has 16 divisors (see below), whose sum is σ = 3006965760. Its totient is φ = 1902839040.

The previous prime is 2421425509. The next prime is 2421425537. The reversal of 2421425531 is 1355241242.

It is a cyclic number.

It is not a de Polignac number, because 2421425531 - 2²² = 2417231227 is a prime.

It is a super-2 number, since 2×2421425531² = 11726603204357263922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421425494 and 2421425503.

It is not an unprimeable number, because it can be changed into a prime (2421425537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289526 + ... + 297771.

It is an arithmetic number, because the mean of its divisors is an integer number (187935360).

Almost surely, 2^2421425531 is an apocalyptic number.

2421425531 is a deficient number, since it is larger than the sum of its proper divisors (585540229).

2421425531 is a wasteful number, since it uses less digits than its factorization.

2421425531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587354.

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

The square root of 2421425531 is about 49207.9823910715. The cubic root of 2421425531 is about 1342.8382572594.

Adding to 2421425531 its reverse (1355241242), we get a palindrome (3776666773).

The spelling of 2421425531 in words is "two billion, four hundred twenty-one million, four hundred twenty-five thousand, five hundred thirty-one".