42597951 has 8 divisors (see below), whose sum is σ = 61960704. Its totient is φ = 25816920.

The previous prime is 42597923. The next prime is 42597953. The reversal of 42597951 is 15979524.

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

It is not a de Polignac number, because 42597951 - 2¹⁰ = 42596927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645391 + ... + 645456.

It is an arithmetic number, because the mean of its divisors is an integer number (7745088).

Almost surely, 2^42597951 is an apocalyptic number.

42597951 is a deficient number, since it is larger than the sum of its proper divisors (19362753).

42597951 is a wasteful number, since it uses less digits than its factorization.

42597951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290861.

The product of its digits is 113400, while the sum is 42.

The square root of 42597951 is about 6526.7105803766. The cubic root of 42597951 is about 349.2444955234.

The spelling of 42597951 in words is "forty-two million, five hundred ninety-seven thousand, nine hundred fifty-one".