4551481 has 16 divisors (see below), whose sum is σ = 5220288. Its totient is φ = 3931200.

The previous prime is 4551479. The next prime is 4551487. The reversal of 4551481 is 1841554.

It is a cyclic number.

It is not a de Polignac number, because 4551481 - 2¹ = 4551479 is a prime.

It is a super-2 number, since 2×4551481² = 41431958586722, which contains 22 as substring.

4551481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4551487) 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, 21466 + ... + 21676.

It is an arithmetic number, because the mean of its divisors is an integer number (326268).

Almost surely, 2^4551481 is an apocalyptic number.

It is an amenable number.

4551481 is a deficient number, since it is larger than the sum of its proper divisors (668807).

4551481 is a wasteful number, since it uses less digits than its factorization.

4551481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its digits is 3200, while the sum is 28.

The square root of 4551481 is about 2133.4200242803. The cubic root of 4551481 is about 165.7235564359.

It can be divided in two parts, 455 and 1481, that added together give a square (1936 = 44²).

The spelling of 4551481 in words is "four million, five hundred fifty-one thousand, four hundred eighty-one".