42570501 has 8 divisors (see below), whose sum is σ = 57831840. Its totient is φ = 27844752.

The previous prime is 42570439. The next prime is 42570509. The reversal of 42570501 is 10507524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42570501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42570509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133711 + ... + 134028.

It is an arithmetic number, because the mean of its divisors is an integer number (7228980).

Almost surely, 2^42570501 is an apocalyptic number.

It is an amenable number.

42570501 is a deficient number, since it is larger than the sum of its proper divisors (15261339).

42570501 is a wasteful number, since it uses less digits than its factorization.

42570501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267795.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 42570501 is about 6524.6073445074. The cubic root of 42570501 is about 349.1694620133.

It can be divided in two parts, 42570 and 501, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 42570501 in words is "forty-two million, five hundred seventy thousand, five hundred one".