401943025 has 24 divisors (see below), whose sum is σ = 558428544. Its totient is φ = 284414400.

The previous prime is 401943007. The next prime is 401943029. The reversal of 401943025 is 520349104.

It is not a de Polignac number, because 401943025 - 2¹¹ = 401940977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401942984 and 401943002.

It is not an unprimeable number, because it can be changed into a prime (401943029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9577 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (23267856).

Almost surely, 2^401943025 is an apocalyptic number.

It is an amenable number.

401943025 is a deficient number, since it is larger than the sum of its proper divisors (156485519).

401943025 is a wasteful number, since it uses less digits than its factorization.

401943025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39561 (or 39556 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 401943025 is about 20048.5167780562. The cubic root of 401943025 is about 737.9974007395.

The spelling of 401943025 in words is "four hundred one million, nine hundred forty-three thousand, twenty-five".