401610541 has 4 divisors (see below), whose sum is σ = 402542784. Its totient is φ = 400678300.

The previous prime is 401610491. The next prime is 401610551. The reversal of 401610541 is 145016104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401610541 - 2⁹ = 401610029 is a prime.

It is a super-2 number, since 2×401610541² = 322582053284625362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401610551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465475 + ... + 466336.

It is an arithmetic number, because the mean of its divisors is an integer number (100635696).

Almost surely, 2^401610541 is an apocalyptic number.

It is an amenable number.

401610541 is a deficient number, since it is larger than the sum of its proper divisors (932243).

401610541 is an equidigital number, since it uses as much as digits as its factorization.

401610541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932242.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 401610541 is about 20040.2230776007. The cubic root of 401610541 is about 737.7938561239.

Adding to 401610541 its reverse (145016104), we get a palindrome (546626645).

The spelling of 401610541 in words is "four hundred one million, six hundred ten thousand, five hundred forty-one".