42531001253 has 8 divisors (see below), whose sum is σ = 46004393568. Its totient is φ = 39086434224.

The previous prime is 42531001237. The next prime is 42531001267. The reversal of 42531001253 is 35210013524.

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 42531001253 - 2⁴ = 42531001237 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 (42531001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7203251 + ... + 7209152.

It is an arithmetic number, because the mean of its divisors is an integer number (5750549196).

Almost surely, 2^42531001253 is an apocalyptic number.

It is an amenable number.

42531001253 is a deficient number, since it is larger than the sum of its proper divisors (3473392315).

42531001253 is a wasteful number, since it uses less digits than its factorization.

42531001253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412643.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 42531001253 its reverse (35210013524), we get a palindrome (77741014777).

The spelling of 42531001253 in words is "forty-two billion, five hundred thirty-one million, one thousand, two hundred fifty-three".