2025402345 has 24 divisors (see below), whose sum is σ = 3513060096. Its totient is φ = 1079487648.

The previous prime is 2025402341. The next prime is 2025402347. The reversal of 2025402345 is 5432045202.

It is a happy number.

It is not a de Polignac number, because 2025402345 - 2² = 2025402341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2025402341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56154 + ... + 84876.

It is an arithmetic number, because the mean of its divisors is an integer number (146377504).

Almost surely, 2^2025402345 is an apocalyptic number.

It is an amenable number.

2025402345 is a deficient number, since it is larger than the sum of its proper divisors (1487657751).

2025402345 is a wasteful number, since it uses less digits than its factorization.

2025402345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301 (or 30298 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2025402345 is about 45004.4702779624. The cubic root of 2025402345 is about 1265.2327827534.

Adding to 2025402345 its reverse (5432045202), we get a palindrome (7457447547).

The spelling of 2025402345 in words is "two billion, twenty-five million, four hundred two thousand, three hundred forty-five".