253133142621 has 8 divisors (see below), whose sum is σ = 337528079424. Its totient is φ = 168746817120.

The previous prime is 253133142611. The next prime is 253133142641. The reversal of 253133142621 is 126241331352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253133142621 - 2¹¹ = 253133140573 is a prime.

It is a super-3 number, since 3×253133142621³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253133142611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083920 + ... + 2202041.

It is an arithmetic number, because the mean of its divisors is an integer number (42191009928).

Almost surely, 2^253133142621 is an apocalyptic number.

It is an amenable number.

253133142621 is a deficient number, since it is larger than the sum of its proper divisors (84394936803).

253133142621 is a wasteful number, since it uses less digits than its factorization.

253133142621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305651.

The product of its digits is 25920, while the sum is 33.

Adding to 253133142621 its reverse (126241331352), we get a palindrome (379374473973).

The spelling of 253133142621 in words is "two hundred fifty-three billion, one hundred thirty-three million, one hundred forty-two thousand, six hundred twenty-one".