2421642725 has 24 divisors (see below), whose sum is σ = 3037305600. Its totient is φ = 1915157120.

The previous prime is 2421642703. The next prime is 2421642749. The reversal of 2421642725 is 5272461242.

2421642725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2421642725 - 2¹⁴ = 2421626341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2308001 + ... + 2309049.

It is an arithmetic number, because the mean of its divisors is an integer number (126554400).

Almost surely, 2^2421642725 is an apocalyptic number.

2421642725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2421642725 is a deficient number, since it is larger than the sum of its proper divisors (615662875).

2421642725 is a wasteful number, since it uses less digits than its factorization.

2421642725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2024 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 2421642725 is about 49210.1892396280. The cubic root of 2421642725 is about 1342.8784054680.

The spelling of 2421642725 in words is "two billion, four hundred twenty-one million, six hundred forty-two thousand, seven hundred twenty-five".