42951534 has 32 divisors (see below), whose sum is σ = 89959680. Its totient is φ = 13645632.

The previous prime is 42951529. The next prime is 42951541. The reversal of 42951534 is 43515924.

It is a junction number, because it is equal to n+sod(n) for n = 42951495 and 42951504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75202 + ... + 75770.

It is an arithmetic number, because the mean of its divisors is an integer number (2811240).

Almost surely, 2^42951534 is an apocalyptic number.

42951534 is an abundant number, since it is smaller than the sum of its proper divisors (47008146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42951534 is a wasteful number, since it uses less digits than its factorization.

42951534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its digits is 21600, while the sum is 33.

The square root of 42951534 is about 6553.7419845459. The cubic root of 42951534 is about 350.2081319894.

The spelling of 42951534 in words is "forty-two million, nine hundred fifty-one thousand, five hundred thirty-four".