253232142506 has 16 divisors (see below), whose sum is σ = 437530454016. Its totient is φ = 107673508656.

The previous prime is 253232142497. The next prime is 253232142517. The reversal of 253232142506 is 605241232352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71210861 + ... + 71214416.

It is an arithmetic number, because the mean of its divisors is an integer number (27345653376).

Almost surely, 2^253232142506 is an apocalyptic number.

253232142506 is a deficient number, since it is larger than the sum of its proper divisors (184298311510).

253232142506 is a wasteful number, since it uses less digits than its factorization.

253232142506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142425413.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 253232142506 its reverse (605241232352), we get a palindrome (858473374858).

The spelling of 253232142506 in words is "two hundred fifty-three billion, two hundred thirty-two million, one hundred forty-two thousand, five hundred six".