253400582605 has 8 divisors (see below), whose sum is σ = 317301599232. Its totient is φ = 193906532688.

The previous prime is 253400582543. The next prime is 253400582609. The reversal of 253400582605 is 506285004352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 253400582605 - 2¹¹ = 253400580557 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 (253400582609) 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, 1101741549 + ... + 1101741778.

It is an arithmetic number, because the mean of its divisors is an integer number (39662699904).

Almost surely, 2^253400582605 is an apocalyptic number.

It is an amenable number.

253400582605 is a deficient number, since it is larger than the sum of its proper divisors (63901016627).

253400582605 is a wasteful number, since it uses less digits than its factorization.

253400582605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203483355.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 253400582605 its reverse (506285004352), we get a palindrome (759685586957).

The spelling of 253400582605 in words is "two hundred fifty-three billion, four hundred million, five hundred eighty-two thousand, six hundred five".