42536253031025 has 24 divisors (see below), whose sum is σ = 57096570195000. Its totient is φ = 31248633507840.

The previous prime is 42536253030983. The next prime is 42536253031049. The reversal of 42536253031025 is 52013035263524.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 14292906115216 + 28243346915809 = 3780596^2 + 5314447^2 .

It is not a de Polignac number, because 42536253031025 - 2³⁶ = 42467533554289 is a prime.

It is a super-2 number, since 2×42536253031025² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339006650 + ... + 339132099.

It is an arithmetic number, because the mean of its divisors is an integer number (2379023758125).

Almost surely, 2^{42536253031025} is an apocalyptic number.

It is an amenable number.

42536253031025 is a deficient number, since it is larger than the sum of its proper divisors (14560317163975).

42536253031025 is a wasteful number, since it uses less digits than its factorization.

42536253031025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678138965 (or 678138960 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 42536253031025 its reverse (52013035263524), we get a palindrome (94549288294549).

The spelling of 42536253031025 in words is "forty-two trillion, five hundred thirty-six billion, two hundred fifty-three million, thirty-one thousand, twenty-five".