2421451425 has 48 divisors (see below), whose sum is σ = 4209641280. Its totient is φ = 1226400000.

The previous prime is 2421451399. The next prime is 2421451427. The reversal of 2421451425 is 5241541242.

It is not a de Polignac number, because 2421451425 - 2⁸ = 2421451169 is a prime.

It is a super-3 number, since 3×2421451425³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421451392 and 2421451401.

It is not an unprimeable number, because it can be changed into a prime (2421451427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123550 + ... + 141800.

It is an arithmetic number, because the mean of its divisors is an integer number (87700860).

Almost surely, 2^2421451425 is an apocalyptic number.

2421451425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2421451425 is a deficient number, since it is larger than the sum of its proper divisors (1788189855).

2421451425 is a wasteful number, since it uses less digits than its factorization.

2421451425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354 (or 18349 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2421451425 is about 49208.2454980870. The cubic root of 2421451425 is about 1342.8430438791.

Adding to 2421451425 its reverse (5241541242), we get a palindrome (7662992667).

The spelling of 2421451425 in words is "two billion, four hundred twenty-one million, four hundred fifty-one thousand, four hundred twenty-five".