2431901 has 4 divisors (see below), whose sum is σ = 2574972. Its totient is φ = 2288832.

The previous prime is 2431879. The next prime is 2431909. The reversal of 2431901 is 1091342.

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 2247001 + 184900 = 1499^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431901 - 2⁶ = 2431837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431909) 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, 71510 + ... + 71543.

It is an arithmetic number, because the mean of its divisors is an integer number (643743).

2^2431901 is an apocalyptic number.

It is an amenable number.

2431901 is a deficient number, since it is larger than the sum of its proper divisors (143071).

2431901 is a wasteful number, since it uses less digits than its factorization.

2431901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143070.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2431901 is about 1559.4553536411. The cubic root of 2431901 is about 134.4771914908.

The spelling of 2431901 in words is "two million, four hundred thirty-one thousand, nine hundred one".