253226261426 has 4 divisors (see below), whose sum is σ = 379839392142. Its totient is φ = 126613130712.

The previous prime is 253226261381. The next prime is 253226261551. The reversal of 253226261426 is 624162622352.

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., 245198280625 + 8027980801 = 495175^2 + 89599^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63306565355 + ... + 63306565358.

Almost surely, 2^253226261426 is an apocalyptic number.

253226261426 is a deficient number, since it is larger than the sum of its proper divisors (126613130716).

253226261426 is a wasteful number, since it uses less digits than its factorization.

253226261426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126613130715.

The product of its digits is 414720, while the sum is 41.

Adding to 253226261426 its reverse (624162622352), we get a palindrome (877388883778).

The spelling of 253226261426 in words is "two hundred fifty-three billion, two hundred twenty-six million, two hundred sixty-one thousand, four hundred twenty-six".