2425320645 has 64 divisors (see below), whose sum is σ = 4468608000. Its totient is φ = 1110896640.

The previous prime is 2425320643. The next prime is 2425320671. The reversal of 2425320645 is 5460235242.

It is a happy number.

It is not a de Polignac number, because 2425320645 - 2¹ = 2425320643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425320643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1406754 + ... + 1408476.

It is an arithmetic number, because the mean of its divisors is an integer number (69822000).

Almost surely, 2^2425320645 is an apocalyptic number.

It is an amenable number.

2425320645 is a deficient number, since it is larger than the sum of its proper divisors (2043287355).

2425320645 is a wasteful number, since it uses less digits than its factorization.

2425320645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210.

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

The square root of 2425320645 is about 49247.5445580792. The cubic root of 2425320645 is about 1343.5579030393.

Adding to 2425320645 its reverse (5460235242), we get a palindrome (7885555887).

The spelling of 2425320645 in words is "two billion, four hundred twenty-five million, three hundred twenty thousand, six hundred forty-five".