401523201 has 12 divisors (see below), whose sum is σ = 580364928. Its totient is φ = 267503544.

The previous prime is 401523197. The next prime is 401523211. The reversal of 401523201 is 102325104.

It is not a de Polignac number, because 401523201 - 2² = 401523197 is a prime.

It is a super-2 number, since 2×401523201² = 322441761882572802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401523211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156 + ... + 28338.

It is an arithmetic number, because the mean of its divisors is an integer number (48363744).

Almost surely, 2^401523201 is an apocalyptic number.

It is an amenable number.

401523201 is a deficient number, since it is larger than the sum of its proper divisors (178841727).

401523201 is a wasteful number, since it uses less digits than its factorization.

401523201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29772 (or 29769 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 401523201 is about 20038.0438416528. The cubic root of 401523201 is about 737.7403684946.

Adding to 401523201 its reverse (102325104), we get a palindrome (503848305).

The spelling of 401523201 in words is "four hundred one million, five hundred twenty-three thousand, two hundred one".