25226312413 has 4 divisors (see below), whose sum is σ = 25345868608. Its totient is φ = 25106756220.

The previous prime is 25226312401. The next prime is 25226312429. The reversal of 25226312413 is 31421362252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25226312413 - 2¹³ = 25226304221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226312443) 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, 59777781 + ... + 59778202.

It is an arithmetic number, because the mean of its divisors is an integer number (6336467152).

Almost surely, 2^25226312413 is an apocalyptic number.

It is an amenable number.

25226312413 is a deficient number, since it is larger than the sum of its proper divisors (119556195).

25226312413 is a wasteful number, since it uses less digits than its factorization.

25226312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119556194.

The product of its digits is 17280, while the sum is 31.

Adding to 25226312413 its reverse (31421362252), we get a palindrome (56647674665).

The spelling of 25226312413 in words is "twenty-five billion, two hundred twenty-six million, three hundred twelve thousand, four hundred thirteen".