26250525431 has 4 divisors (see below), whose sum is σ = 28269796632. Its totient is φ = 24231254232.

The previous prime is 26250525421. The next prime is 26250525523. The reversal of 26250525431 is 13452505262.

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 26250525431 - 2¹⁰ = 26250524407 is a prime.

It is a super-2 number, since 2×26250525431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26250525391 and 26250525400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26250525421) 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, 1009635581 + ... + 1009635606.

It is an arithmetic number, because the mean of its divisors is an integer number (7067449158).

Almost surely, 2^26250525431 is an apocalyptic number.

26250525431 is a deficient number, since it is larger than the sum of its proper divisors (2019271201).

26250525431 is a wasteful number, since it uses less digits than its factorization.

26250525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019271200.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 26250525431 in words is "twenty-six billion, two hundred fifty million, five hundred twenty-five thousand, four hundred thirty-one".