401323025 has 12 divisors (see below), whose sum is σ = 514801500. Its totient is φ = 309986880.

The previous prime is 401323001. The next prime is 401323031. The reversal of 401323025 is 520323104.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1936 + 401321089 = 44^2 + 20033^2 .

It is not a de Polignac number, because 401323025 - 2²⁸ = 132887569 is a prime.

It is a super-2 number, since 2×401323025² = 322120340790301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401322988 and 401323006.

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, 276050 + ... + 277499.

It is an arithmetic number, because the mean of its divisors is an integer number (42900125).

Almost surely, 2^401323025 is an apocalyptic number.

It is an amenable number.

401323025 is a deficient number, since it is larger than the sum of its proper divisors (113478475).

401323025 is a wasteful number, since it uses less digits than its factorization.

401323025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553588 (or 553583 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 401323025 is about 20033.0483202133. The cubic root of 401323025 is about 737.6177500393.

Adding to 401323025 its reverse (520323104), we get a palindrome (921646129).

The spelling of 401323025 in words is "four hundred one million, three hundred twenty-three thousand, twenty-five".