253501234405 has 16 divisors (see below), whose sum is σ = 307102109184. Its totient is φ = 200867947840.

The previous prime is 253501234387. The next prime is 253501234463. The reversal of 253501234405 is 504432105352.

It is not a de Polignac number, because 253501234405 - 2¹¹ = 253501232357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3004140 + ... + 3087370.

It is an arithmetic number, because the mean of its divisors is an integer number (19193881824).

Almost surely, 2^253501234405 is an apocalyptic number.

It is an amenable number.

253501234405 is a deficient number, since it is larger than the sum of its proper divisors (53600874779).

253501234405 is a wasteful number, since it uses less digits than its factorization.

253501234405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89036.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 253501234405 its reverse (504432105352), we get a palindrome (757933339757).

The spelling of 253501234405 in words is "two hundred fifty-three billion, five hundred one million, two hundred thirty-four thousand, four hundred five".