25434016051 has 4 divisors (see below), whose sum is σ = 25532981352. Its totient is φ = 25335050752.

The previous prime is 25434016039. The next prime is 25434016079. The reversal of 25434016051 is 15061043452.

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 25434016051 - 2¹⁹ = 25433491763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25434016031) 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, 49482265 + ... + 49482778.

It is an arithmetic number, because the mean of its divisors is an integer number (6383245338).

Almost surely, 2^25434016051 is an apocalyptic number.

25434016051 is a deficient number, since it is larger than the sum of its proper divisors (98965301).

25434016051 is an equidigital number, since it uses as much as digits as its factorization.

25434016051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98965300.

The product of its (nonzero) digits is 14400, while the sum is 31.

It can be divided in two parts, 2543401 and 6051, that added together give a palindrome (2549452).

The spelling of 25434016051 in words is "twenty-five billion, four hundred thirty-four million, sixteen thousand, fifty-one".