4172401 has 4 divisors (see below), whose sum is σ = 4177012. Its totient is φ = 4167792.

The previous prime is 4172369. The next prime is 4172417. The reversal of 4172401 is 1042714.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1042714 = 2 ⋅521357.

It can be written as a sum of positive squares in 2 ways, for example, as 3783025 + 389376 = 1945^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 4172401 - 2⁵ = 4172369 is a prime.

It is a Duffinian number.

4172401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4172431) 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, 450 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (1044253).

Almost surely, 2^4172401 is an apocalyptic number.

It is an amenable number.

4172401 is a deficient number, since it is larger than the sum of its proper divisors (4611).

4172401 is a wasteful number, since it uses less digits than its factorization.

4172401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 4172401 is about 2042.6455884465. The cubic root of 4172401 is about 160.9886827687.

It can be divided in two parts, 417240 and 1, that added together give a triangular number (417241 = T₉₁₃).

The spelling of 4172401 in words is "four million, one hundred seventy-two thousand, four hundred one".