425215385 has 16 divisors (see below), whose sum is σ = 595056000. Its totient is φ = 291575088.

The previous prime is 425215381. The next prime is 425215393. The reversal of 425215385 is 583512524.

It is not a de Polignac number, because 425215385 - 2² = 425215381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (425215381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122255 + ... + 125684.

It is an arithmetic number, because the mean of its divisors is an integer number (37191000).

Almost surely, 2^425215385 is an apocalyptic number.

It is an amenable number.

425215385 is a deficient number, since it is larger than the sum of its proper divisors (169840615).

425215385 is an equidigital number, since it uses as much as digits as its factorization.

425215385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247965 (or 247951 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 425215385 is about 20620.7513199689. The cubic root of 425215385 is about 751.9742857748.

The spelling of 425215385 in words is "four hundred twenty-five million, two hundred fifteen thousand, three hundred eighty-five".