425581834 has 16 divisors (see below), whose sum is σ = 667351872. Its totient is φ = 203165248.

The previous prime is 425581829. The next prime is 425581837. The reversal of 425581834 is 438185524.

It is a super-2 number, since 2×425581834² = 362239794861607112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425581837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17682 + ... + 34114.

It is an arithmetic number, because the mean of its divisors is an integer number (41709492).

Almost surely, 2^425581834 is an apocalyptic number.

425581834 is a deficient number, since it is larger than the sum of its proper divisors (241770038).

425581834 is a wasteful number, since it uses less digits than its factorization.

425581834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021.

The product of its digits is 153600, while the sum is 40.

The square root of 425581834 is about 20629.6348489255. The cubic root of 425581834 is about 752.1902399427.

The spelling of 425581834 in words is "four hundred twenty-five million, five hundred eighty-one thousand, eight hundred thirty-four".