42937151 has 4 divisors (see below), whose sum is σ = 43578072. Its totient is φ = 42296232.

The previous prime is 42937123. The next prime is 42937157. The reversal of 42937151 is 15173924.

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-42937151 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 (42937157) 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, 320360 + ... + 320493.

It is an arithmetic number, because the mean of its divisors is an integer number (10894518).

Almost surely, 2^42937151 is an apocalyptic number.

42937151 is a deficient number, since it is larger than the sum of its proper divisors (640921).

42937151 is an equidigital number, since it uses as much as digits as its factorization.

42937151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640920.

The product of its digits is 7560, while the sum is 32.

The square root of 42937151 is about 6552.6445806254. The cubic root of 42937151 is about 350.1690367159.

The spelling of 42937151 in words is "forty-two million, nine hundred thirty-seven thousand, one hundred fifty-one".