401453725 has 24 divisors (see below), whose sum is σ = 528234048. Its totient is φ = 301612800.

The previous prime is 401453711. The next prime is 401453777. The reversal of 401453725 is 527354104.

It is not a de Polignac number, because 401453725 - 2²³ = 393065117 is a prime.

It is a super-2 number, since 2×401453725² = 322330186632751250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292992 + ... + 294358.

It is an arithmetic number, because the mean of its divisors is an integer number (22009752).

Almost surely, 2^401453725 is an apocalyptic number.

It is an amenable number.

401453725 is a deficient number, since it is larger than the sum of its proper divisors (126780323).

401453725 is a wasteful number, since it uses less digits than its factorization.

401453725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 401453725 is about 20036.3101642992. The cubic root of 401453725 is about 737.6978153650.

The spelling of 401453725 in words is "four hundred one million, four hundred fifty-three thousand, seven hundred twenty-five".