401245625 has 20 divisors (see below), whose sum is σ = 546987408. Its totient is φ = 291810000.

The previous prime is 401245609. The next prime is 401245643. The reversal of 401245625 is 526542104.

It is not a de Polignac number, because 401245625 - 2⁴ = 401245609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22307 + ... + 36056.

Almost surely, 2^401245625 is an apocalyptic number.

It is an amenable number.

401245625 is a deficient number, since it is larger than the sum of its proper divisors (145741783).

401245625 is an equidigital number, since it uses as much as digits as its factorization.

401245625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58394 (or 58379 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 401245625 is about 20031.1164192114. The cubic root of 401245625 is about 737.5703274886.

Adding to 401245625 its reverse (526542104), we get a palindrome (927787729).

The spelling of 401245625 in words is "four hundred one million, two hundred forty-five thousand, six hundred twenty-five".