6502401 has 6 divisors (see below), whose sum is σ = 9392370. Its totient is φ = 4334928.

The previous prime is 6502373. The next prime is 6502423. The reversal of 6502401 is 1042056.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6426225 + 76176 = 2535^2 + 276^2 .

It is not a de Polignac number, because 6502401 - 2⁶ = 6502337 is a prime.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6502471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361236 + ... + 361253.

It is an arithmetic number, because the mean of its divisors is an integer number (1565395).

Almost surely, 2^6502401 is an apocalyptic number.

It is an amenable number.

6502401 is a deficient number, since it is larger than the sum of its proper divisors (2889969).

6502401 is a wasteful number, since it uses less digits than its factorization.

6502401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722495 (or 722492 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6502401 is about 2549.9805881614. The cubic root of 6502401 is about 186.6485338821.

Adding to 6502401 its reverse (1042056), we get a palindrome (7544457).

It can be divided in two parts, 6502 and 401, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6502401 in words is "six million, five hundred two thousand, four hundred one".