6502381 has 4 divisors (see below), whose sum is σ = 6884892. Its totient is φ = 6119872.

The previous prime is 6502373. The next prime is 6502423. The reversal of 6502381 is 1832056.

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 5616900 + 885481 = 2370^2 + 941^2 .

It is a cyclic number.

It is not a de Polignac number, because 6502381 - 2³ = 6502373 is a prime.

It is a super-2 number, since 2×6502381² = 84561917338322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6502681) 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, 191230 + ... + 191263.

It is an arithmetic number, because the mean of its divisors is an integer number (1721223).

Almost surely, 2^6502381 is an apocalyptic number.

It is an amenable number.

6502381 is a deficient number, since it is larger than the sum of its proper divisors (382511).

6502381 is a wasteful number, since it uses less digits than its factorization.

6502381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382510.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 6502381 is about 2549.9766665599. The cubic root of 6502381 is about 186.6483425182.

The spelling of 6502381 in words is "six million, five hundred two thousand, three hundred eighty-one".