425131385 has 16 divisors (see below), whose sum is σ = 583372416. Its totient is φ = 291351168.

The previous prime is 425131381. The next prime is 425131397. The reversal of 425131385 is 583131524.

It is a cyclic number.

It is not a de Polignac number, because 425131385 - 2² = 425131381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425131381) 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 15 ways as a sum of consecutive naturals, for example, 113909 + ... + 117581.

It is an arithmetic number, because the mean of its divisors is an integer number (36460776).

Almost surely, 2^425131385 is an apocalyptic number.

It is an amenable number.

425131385 is a deficient number, since it is larger than the sum of its proper divisors (158241031).

425131385 is a wasteful number, since it uses less digits than its factorization.

425131385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992.

The product of its digits is 14400, while the sum is 32.

The square root of 425131385 is about 20618.7144361621. The cubic root of 425131385 is about 751.9247657730.

The spelling of 425131385 in words is "four hundred twenty-five million, one hundred thirty-one thousand, three hundred eighty-five".