253232142509 has 8 divisors (see below), whose sum is σ = 258408921600. Its totient is φ = 248070134416.

The previous prime is 253232142497. The next prime is 253232142517. The reversal of 253232142509 is 905241232352.

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 253232142509 - 2¹⁶ = 253232076973 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 (253232142529) 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, 3658109 + ... + 3726690.

It is an arithmetic number, because the mean of its divisors is an integer number (32301115200).

Almost surely, 2^253232142509 is an apocalyptic number.

It is an amenable number.

253232142509 is a deficient number, since it is larger than the sum of its proper divisors (5176779091).

253232142509 is an equidigital number, since it uses as much as digits as its factorization.

253232142509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385499.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 253232142509 in words is "two hundred fifty-three billion, two hundred thirty-two million, one hundred forty-two thousand, five hundred nine".