25306426034 has 4 divisors (see below), whose sum is σ = 37959639054. Its totient is φ = 12653213016.

The previous prime is 25306426027. The next prime is 25306426043. The reversal of 25306426034 is 43062460352.

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

It can be written as a sum of positive squares in only one way, i.e., 14386803025 + 10919623009 = 119945^2 + 104497^2 .

It is a super-2 number, since 2×25306426034² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25306425985 and 25306426003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326606507 + ... + 6326606510.

Almost surely, 2^25306426034 is an apocalyptic number.

25306426034 is a deficient number, since it is larger than the sum of its proper divisors (12653213020).

25306426034 is a wasteful number, since it uses less digits than its factorization.

25306426034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12653213019.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 25306426034 its reverse (43062460352), we get a palindrome (68368886386).

The spelling of 25306426034 in words is "twenty-five billion, three hundred six million, four hundred twenty-six thousand, thirty-four".