42151051 has 8 divisors (see below), whose sum is σ = 43265024. Its totient is φ = 41043240.

The previous prime is 42151049. The next prime is 42151073. The reversal of 42151051 is 15015124.

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

It is a cyclic number.

It is not a de Polignac number, because 42151051 - 2¹ = 42151049 is a prime.

It is a super-2 number, since 2×42151051² = 3553422200809202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42151001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14446 + ... + 17116.

It is an arithmetic number, because the mean of its divisors is an integer number (5408128).

Almost surely, 2^42151051 is an apocalyptic number.

42151051 is a deficient number, since it is larger than the sum of its proper divisors (1113973).

42151051 is a wasteful number, since it uses less digits than its factorization.

42151051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 42151051 is about 6492.3840767472. The cubic root of 42151051 is about 348.0188780660.

Adding to 42151051 its reverse (15015124), we get a palindrome (57166175).

The spelling of 42151051 in words is "forty-two million, one hundred fifty-one thousand, fifty-one".