42098541 has 4 divisors (see below), whose sum is σ = 56131392. Its totient is φ = 28065692.

The previous prime is 42098531. The next prime is 42098543. The reversal of 42098541 is 14589024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42098541 - 2¹⁵ = 42065773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42098543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7016421 + ... + 7016426.

It is an arithmetic number, because the mean of its divisors is an integer number (14032848).

Almost surely, 2^42098541 is an apocalyptic number.

It is an amenable number.

42098541 is a deficient number, since it is larger than the sum of its proper divisors (14032851).

42098541 is a wasteful number, since it uses less digits than its factorization.

42098541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14032850.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42098541 is about 6488.3388475017. The cubic root of 42098541 is about 347.8743022715.

The spelling of 42098541 in words is "forty-two million, ninety-eight thousand, five hundred forty-one".