253442052501 has 8 divisors (see below), whose sum is σ = 368642985504. Its totient is φ = 153601243920.

The previous prime is 253442052469. The next prime is 253442052569. The reversal of 253442052501 is 105250244352.

It is a happy number.

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

It is not a de Polignac number, because 253442052501 - 2⁵ = 253442052469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 7680062197 = 253442052501 / (2 + 5 + 3 + 4 + 4 + 2 + 0 + 5 + 2 + 5 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253442051501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3840031066 + ... + 3840031131.

It is an arithmetic number, because the mean of its divisors is an integer number (46080373188).

Almost surely, 2^253442052501 is an apocalyptic number.

It is an amenable number.

253442052501 is a deficient number, since it is larger than the sum of its proper divisors (115200933003).

253442052501 is a wasteful number, since it uses less digits than its factorization.

253442052501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680062211.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 253442052501 its reverse (105250244352), we get a palindrome (358692296853).

The spelling of 253442052501 in words is "two hundred fifty-three billion, four hundred forty-two million, fifty-two thousand, five hundred one".