2421245131 has 4 divisors (see below), whose sum is σ = 2421425664. Its totient is φ = 2421064600.

The previous prime is 2421245087. The next prime is 2421245137. The reversal of 2421245131 is 1315421242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421245131 - 2¹⁹ = 2420720843 is a prime.

It is a super-2 number, since 2×2421245131² = 11724855968782414322, 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 = 2421245096 and 2421245105.

It is not an unprimeable number, because it can be changed into a prime (2421245137) 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, 68380 + ... + 97561.

It is an arithmetic number, because the mean of its divisors is an integer number (605356416).

Almost surely, 2^2421245131 is an apocalyptic number.

2421245131 is a deficient number, since it is larger than the sum of its proper divisors (180533).

2421245131 is a wasteful number, since it uses less digits than its factorization.

2421245131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180532.

The product of its digits is 1920, while the sum is 25.

The square root of 2421245131 is about 49206.1493209944. The cubic root of 2421245131 is about 1342.8049085790.

Adding to 2421245131 its reverse (1315421242), we get a palindrome (3736666373).

The spelling of 2421245131 in words is "two billion, four hundred twenty-one million, two hundred forty-five thousand, one hundred thirty-one".