25351053603 has 16 divisors (see below), whose sum is σ = 34495854336. Its totient is φ = 16556510880.

The previous prime is 25351053589. The next prime is 25351053617. The reversal of 25351053603 is 30635015352.

It is an interprime number because it is at equal distance from previous prime (25351053589) and next prime (25351053617).

It is not a de Polignac number, because 25351053603 - 2⁴ = 25351053587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25351053643) 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, 345601 + ... + 412482.

It is an arithmetic number, because the mean of its divisors is an integer number (2155990896).

Almost surely, 2^25351053603 is an apocalyptic number.

25351053603 is a deficient number, since it is larger than the sum of its proper divisors (9144800733).

25351053603 is a wasteful number, since it uses less digits than its factorization.

25351053603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758314.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 25351053603 its reverse (30635015352), we get a palindrome (55986068955).

The spelling of 25351053603 in words is "twenty-five billion, three hundred fifty-one million, fifty-three thousand, six hundred three".