2525051603 has 4 divisors (see below), whose sum is σ = 2525200128. Its totient is φ = 2524903080.

The previous prime is 2525051561. The next prime is 2525051651. The reversal of 2525051603 is 3061505252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525051603 - 2¹⁶ = 2524986067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525051693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44888 + ... + 84053.

It is an arithmetic number, because the mean of its divisors is an integer number (631300032).

Almost surely, 2^2525051603 is an apocalyptic number.

2525051603 is a deficient number, since it is larger than the sum of its proper divisors (148525).

2525051603 is a wasteful number, since it uses less digits than its factorization.

2525051603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148524.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2525051603 is about 50249.8915720223. The cubic root of 2525051603 is about 1361.7271171207.

Adding to 2525051603 its reverse (3061505252), we get a palindrome (5586556855).

The spelling of 2525051603 in words is "two billion, five hundred twenty-five million, fifty-one thousand, six hundred three".