425623412 has 12 divisors (see below), whose sum is σ = 746564196. Its totient is φ = 212319360.

The previous prime is 425623409. The next prime is 425623433. The reversal of 425623412 is 214326524.

It can be written as a sum of positive squares in 2 ways, for example, as 14182756 + 411440656 = 3766^2 + 20284^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 121139 + ... + 124602.

It is an arithmetic number, because the mean of its divisors is an integer number (62213683).

Almost surely, 2^425623412 is an apocalyptic number.

It is an amenable number.

425623412 is a deficient number, since it is larger than the sum of its proper divisors (320940784).

425623412 is a wasteful number, since it uses less digits than its factorization.

425623412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246178 (or 246176 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 425623412 is about 20630.6425493730. The cubic root of 425623412 is about 752.2147346813.

Adding to 425623412 its reverse (214326524), we get a palindrome (639949936).

The spelling of 425623412 in words is "four hundred twenty-five million, six hundred twenty-three thousand, four hundred twelve".