4542551 has 6 divisors (see below), whose sum is σ = 4919040. Its totient is φ = 4192968.

The previous prime is 4542547. The next prime is 4542581. The reversal of 4542551 is 1552454.

It is not a de Polignac number, because 4542551 - 2² = 4542547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542511) 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, 13271 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (819840).

Almost surely, 2^4542551 is an apocalyptic number.

4542551 is a deficient number, since it is larger than the sum of its proper divisors (376489).

4542551 is a wasteful number, since it uses less digits than its factorization.

4542551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26905 (or 26892 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 4542551 is about 2131.3261130104. The cubic root of 4542551 is about 165.6151023396.

The spelling of 4542551 in words is "four million, five hundred forty-two thousand, five hundred fifty-one".