401957425 has 12 divisors (see below), whose sum is σ = 499522716. Its totient is φ = 320859200.

The previous prime is 401957389. The next prime is 401957431. The reversal of 401957425 is 524759104.

It can be written as a sum of positive squares in 6 ways, for example, as 3236401 + 398721024 = 1799^2 + 19968^2 .

It is a de Polignac number, because none of the positive numbers 2^k-401957425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5914 + ... + 28963.

It is an arithmetic number, because the mean of its divisors is an integer number (41626893).

Almost surely, 2^401957425 is an apocalyptic number.

It is an amenable number.

401957425 is a deficient number, since it is larger than the sum of its proper divisors (97565291).

401957425 is a wasteful number, since it uses less digits than its factorization.

401957425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35348 (or 35343 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 401957425 is about 20048.8759036511. The cubic root of 401957425 is about 738.0062137926.

The spelling of 401957425 in words is "four hundred one million, nine hundred fifty-seven thousand, four hundred twenty-five".