42150527 has 4 divisors (see below), whose sum is σ = 42306336. Its totient is φ = 41994720.

The previous prime is 42150509. The next prime is 42150547. The reversal of 42150527 is 72505124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42150527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42150496 and 42150505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42150547) 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, 77498 + ... + 78039.

It is an arithmetic number, because the mean of its divisors is an integer number (10576584).

Almost surely, 2^42150527 is an apocalyptic number.

42150527 is a deficient number, since it is larger than the sum of its proper divisors (155809).

42150527 is a wasteful number, since it uses less digits than its factorization.

42150527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155808.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 42150527 is about 6492.3437216463. The cubic root of 42150527 is about 348.0174359300.

The spelling of 42150527 in words is "forty-two million, one hundred fifty thousand, five hundred twenty-seven".