425187534 has 16 divisors (see below), whose sum is σ = 852353280. Its totient is φ = 141399480.

The previous prime is 425187533. The next prime is 425187541. The reversal of 425187534 is 435781524.

It is a junction number, because it is equal to n+sod(n) for n = 425187492 and 425187501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425187533) 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, 79624 + ... + 84795.

It is an arithmetic number, because the mean of its divisors is an integer number (53272080).

Almost surely, 2^425187534 is an apocalyptic number.

425187534 is an abundant number, since it is smaller than the sum of its proper divisors (427165746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425187534 is a wasteful number, since it uses less digits than its factorization.

425187534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164855.

The product of its digits is 134400, while the sum is 39.

The square root of 425187534 is about 20620.0759940404. The cubic root of 425187534 is about 751.9578676693.

The spelling of 425187534 in words is "four hundred twenty-five million, one hundred eighty-seven thousand, five hundred thirty-four".