2025503145 has 16 divisors (see below), whose sum is σ = 3600894720. Its totient is φ = 1080268272.

The previous prime is 2025503143. The next prime is 2025503149. The reversal of 2025503145 is 5413055202.

It is a happy number.

It is not a de Polignac number, because 2025503145 - 2¹ = 2025503143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2025503143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7501729 + ... + 7501998.

It is an arithmetic number, because the mean of its divisors is an integer number (225055920).

Almost surely, 2^2025503145 is an apocalyptic number.

It is an amenable number.

2025503145 is a deficient number, since it is larger than the sum of its proper divisors (1575391575).

2025503145 is a wasteful number, since it uses less digits than its factorization.

2025503145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15003741 (or 15003735 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2025503145 is about 45005.5901527799. The cubic root of 2025503145 is about 1265.2537717270.

Adding to 2025503145 its reverse (5413055202), we get a palindrome (7438558347).

The spelling of 2025503145 in words is "two billion, twenty-five million, five hundred three thousand, one hundred forty-five".