425237442131 has 4 divisors (see below), whose sum is σ = 425263117152. Its totient is φ = 425211767112.

The previous prime is 425237442121. The next prime is 425237442139. The reversal of 425237442131 is 131244732524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425237442131 - 2⁶ = 425237442067 is a prime.

It is a super-2 number, since 2×425237442131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425237442139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12812651 + ... + 12845796.

It is an arithmetic number, because the mean of its divisors is an integer number (106315779288).

Almost surely, 2^425237442131 is an apocalyptic number.

425237442131 is a deficient number, since it is larger than the sum of its proper divisors (25675021).

425237442131 is a wasteful number, since it uses less digits than its factorization.

425237442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25675020.

The product of its digits is 161280, while the sum is 38.

The spelling of 425237442131 in words is "four hundred twenty-five billion, two hundred thirty-seven million, four hundred forty-two thousand, one hundred thirty-one".