28410551 has 4 divisors (see below), whose sum is σ = 30595992. Its totient is φ = 26225112.

The previous prime is 28410527. The next prime is 28410559. The reversal of 28410551 is 15501482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15501482 = 2 ⋅7750741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28410551 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 28410551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28410559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092701 + ... + 1092726.

It is an arithmetic number, because the mean of its divisors is an integer number (7648998).

Almost surely, 2^28410551 is an apocalyptic number.

28410551 is a deficient number, since it is larger than the sum of its proper divisors (2185441).

28410551 is a wasteful number, since it uses less digits than its factorization.

28410551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185440.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 28410551 is about 5330.1548757986. The cubic root of 28410551 is about 305.1358384443.

The spelling of 28410551 in words is "twenty-eight million, four hundred ten thousand, five hundred fifty-one".