424161401 has 4 divisors (see below), whose sum is σ = 428052900. Its totient is φ = 420269904.

The previous prime is 424161391. The next prime is 424161421. The reversal of 424161401 is 104161424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185613376 + 238548025 = 13624^2 + 15445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424161401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424161421) 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, 1945586 + ... + 1945803.

It is an arithmetic number, because the mean of its divisors is an integer number (107013225).

Almost surely, 2^424161401 is an apocalyptic number.

It is an amenable number.

424161401 is a deficient number, since it is larger than the sum of its proper divisors (3891499).

424161401 is a wasteful number, since it uses less digits than its factorization.

424161401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891498.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 424161401 is about 20595.1790718119. The cubic root of 424161401 is about 751.3524639520.

Adding to 424161401 its sum of digits (23), we get a palindrome (424161424).

The spelling of 424161401 in words is "four hundred twenty-four million, one hundred sixty-one thousand, four hundred one".