42851701 has 4 divisors (see below), whose sum is σ = 42882304. Its totient is φ = 42821100.

The previous prime is 42851689. The next prime is 42851717. The reversal of 42851701 is 10715824.

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 42851701 - 2¹³ = 42843509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42851701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42851771) 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, 13095 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (10720576).

Almost surely, 2^42851701 is an apocalyptic number.

It is an amenable number.

42851701 is a deficient number, since it is larger than the sum of its proper divisors (30603).

42851701 is a wasteful number, since it uses less digits than its factorization.

42851701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30602.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 42851701 is about 6546.1210651805. The cubic root of 42851701 is about 349.9365898731.

The spelling of 42851701 in words is "forty-two million, eight hundred fifty-one thousand, seven hundred one".