28542351 has 32 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 16813440.

The previous prime is 28542341. The next prime is 28542359. The reversal of 28542351 is 15324582.

It is not a de Polignac number, because 28542351 - 2¹⁰ = 28541327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28542359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50965 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^28542351 is an apocalyptic number.

28542351 is a deficient number, since it is larger than the sum of its proper divisors (14312049).

28542351 is a wasteful number, since it uses less digits than its factorization.

28542351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its digits is 9600, while the sum is 30.

The square root of 28542351 is about 5342.5041881125. The cubic root of 28542351 is about 305.6069647397.

The spelling of 28542351 in words is "twenty-eight million, five hundred forty-two thousand, three hundred fifty-one".