425163531 has 8 divisors (see below), whose sum is σ = 610491280. Its totient is φ = 261639072.

The previous prime is 425163521. The next prime is 425163539. The reversal of 425163531 is 135361524.

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

It is not a de Polignac number, because 425163531 - 2⁶ = 425163467 is a prime.

It is a super-2 number, since 2×425163531² = 361528056184775922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425163539) 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, 5450776 + ... + 5450853.

It is an arithmetic number, because the mean of its divisors is an integer number (76311410).

Almost surely, 2^425163531 is an apocalyptic number.

425163531 is a deficient number, since it is larger than the sum of its proper divisors (185327749).

425163531 is a wasteful number, since it uses less digits than its factorization.

425163531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901645.

The product of its digits is 10800, while the sum is 30.

The square root of 425163531 is about 20619.4939559631. The cubic root of 425163531 is about 751.9437173765.

The spelling of 425163531 in words is "four hundred twenty-five million, one hundred sixty-three thousand, five hundred thirty-one".