42632261 has 8 divisors (see below), whose sum is σ = 49015680. Its totient is φ = 36322128.

The previous prime is 42632237. The next prime is 42632267. The reversal of 42632261 is 16223624.

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 42632261 - 2²² = 38437957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42632261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42632267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17066 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (6126960).

Almost surely, 2^42632261 is an apocalyptic number.

It is an amenable number.

42632261 is a deficient number, since it is larger than the sum of its proper divisors (6383419).

42632261 is a wasteful number, since it uses less digits than its factorization.

42632261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36643.

The product of its digits is 3456, while the sum is 26.

The square root of 42632261 is about 6529.3384810408. The cubic root of 42632261 is about 349.3382352670.

Adding to 42632261 its reverse (16223624), we get a palindrome (58855885).

The spelling of 42632261 in words is "forty-two million, six hundred thirty-two thousand, two hundred sixty-one".