6453481 has 4 divisors (see below), whose sum is σ = 6459264. Its totient is φ = 6447700.

The previous prime is 6453467. The next prime is 6453493. The reversal of 6453481 is 1843546.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6453481 - 2⁹ = 6452969 is a prime.

It is a super-2 number, since 2×6453481² = 83294834034722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6453451) 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, 625 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (1614816).

Almost surely, 2^6453481 is an apocalyptic number.

It is an amenable number.

6453481 is a deficient number, since it is larger than the sum of its proper divisors (5783).

6453481 is a wasteful number, since it uses less digits than its factorization.

6453481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782.

The product of its digits is 11520, while the sum is 31.

The square root of 6453481 is about 2540.3702486055. The cubic root of 6453481 is about 186.1792794878.

The spelling of 6453481 in words is "six million, four hundred fifty-three thousand, four hundred eighty-one".