401332547 has 8 divisors (see below), whose sum is σ = 500362752. Its totient is φ = 312726600.

The previous prime is 401332523. The next prime is 401332579. The reversal of 401332547 is 745233104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401332547 - 2¹⁰ = 401331523 is a prime.

It is a super-2 number, since 2×401332547² = 322135626563014418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401332507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605979 + ... + 2606132.

It is an arithmetic number, because the mean of its divisors is an integer number (62545344).

Almost surely, 2^401332547 is an apocalyptic number.

401332547 is a deficient number, since it is larger than the sum of its proper divisors (99030205).

401332547 is a wasteful number, since it uses less digits than its factorization.

401332547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212129.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 401332547 is about 20033.2859760949. The cubic root of 401332547 is about 737.6235836947.

The spelling of 401332547 in words is "four hundred one million, three hundred thirty-two thousand, five hundred forty-seven".