6402101 has 4 divisors (see below), whose sum is σ = 6451104. Its totient is φ = 6353100.

The previous prime is 6402091. The next prime is 6402139. The reversal of 6402101 is 1012046.

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 a de Polignac number, because none of the positive numbers 2^k-6402101 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 (6402161) 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, 24305 + ... + 24566.

It is an arithmetic number, because the mean of its divisors is an integer number (1612776).

Almost surely, 2^6402101 is an apocalyptic number.

It is an amenable number.

6402101 is a deficient number, since it is larger than the sum of its proper divisors (49003).

6402101 is a wasteful number, since it uses less digits than its factorization.

6402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49002.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 6402101 is about 2530.2373406461. The cubic root of 6402101 is about 185.6838677429.

Adding to 6402101 its reverse (1012046), we get a palindrome (7414147).

The spelling of 6402101 in words is "six million, four hundred two thousand, one hundred one".