401213625 has 32 divisors (see below), whose sum is σ = 689175552. Its totient is φ = 207072000.

The previous prime is 401213623. The next prime is 401213677. The reversal of 401213625 is 526312104.

It is not a de Polignac number, because 401213625 - 2¹ = 401213623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401213595 and 401213604.

It is not an unprimeable number, because it can be changed into a prime (401213623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5632 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (21536736).

Almost surely, 2^401213625 is an apocalyptic number.

It is an amenable number.

401213625 is a deficient number, since it is larger than the sum of its proper divisors (287961927).

401213625 is a wasteful number, since it uses less digits than its factorization.

401213625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34562 (or 34552 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 401213625 is about 20030.3176460085. The cubic root of 401213625 is about 737.5507194842.

Adding to 401213625 its reverse (526312104), we get a palindrome (927525729).

The spelling of 401213625 in words is "four hundred one million, two hundred thirteen thousand, six hundred twenty-five".