42528541 has 16 divisors (see below), whose sum is σ = 48895488. Its totient is φ = 36612400.

The previous prime is 42528539. The next prime is 42528569. The reversal of 42528541 is 14582524.

It is not a de Polignac number, because 42528541 - 2¹ = 42528539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42528511) 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, 26286 + ... + 27856.

It is an arithmetic number, because the mean of its divisors is an integer number (3055968).

Almost surely, 2^42528541 is an apocalyptic number.

It is an amenable number.

42528541 is a deficient number, since it is larger than the sum of its proper divisors (6366947).

42528541 is a wasteful number, since it uses less digits than its factorization.

42528541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 12800, while the sum is 31.

The square root of 42528541 is about 6521.3910325942. The cubic root of 42528541 is about 349.0547036196.

The spelling of 42528541 in words is "forty-two million, five hundred twenty-eight thousand, five hundred forty-one".