42619261 has 8 divisors (see below), whose sum is σ = 45709920. Its totient is φ = 39613392.

The previous prime is 42619249. The next prime is 42619267. The reversal of 42619261 is 16291624.

42619261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42619261 - 2⁷ = 42619133 is a prime.

It is a super-2 number, since 2×42619261² = 3632802816372242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42619267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20155 + ... + 22168.

It is an arithmetic number, because the mean of its divisors is an integer number (5713740).

Almost surely, 2^42619261 is an apocalyptic number.

It is an amenable number.

42619261 is a deficient number, since it is larger than the sum of its proper divisors (3090659).

42619261 is a wasteful number, since it uses less digits than its factorization.

42619261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42395.

The product of its digits is 5184, while the sum is 31.

The square root of 42619261 is about 6528.3428984697. The cubic root of 42619261 is about 349.3027233594.

The spelling of 42619261 in words is "forty-two million, six hundred nineteen thousand, two hundred sixty-one".