6431901 has 16 divisors (see below), whose sum is σ = 9963648. Its totient is φ = 3614400.

The previous prime is 6431891. The next prime is 6431951. The reversal of 6431901 is 1091346.

It is not a de Polignac number, because 6431901 - 2⁵ = 6431869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (622728).

Almost surely, 2^6431901 is an apocalyptic number.

6431901 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6431901 is a deficient number, since it is larger than the sum of its proper divisors (3531747).

6431901 is a wasteful number, since it uses less digits than its factorization.

6431901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 6431901 is about 2536.1192795293. The cubic root of 6431901 is about 185.9715241411.

The spelling of 6431901 in words is "six million, four hundred thirty-one thousand, nine hundred one".