42632403 has 16 divisors (see below), whose sum is σ = 62629632. Its totient is φ = 25580000.

The previous prime is 42632389. The next prime is 42632417. The reversal of 42632403 is 30423624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42632389) and next prime (42632417).

It is a cyclic number.

It is not a de Polignac number, because 42632403 - 2⁹ = 42631891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42632453) 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 15 ways as a sum of consecutive naturals, for example, 3063 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (3914352).

Almost surely, 2^42632403 is an apocalyptic number.

42632403 is a deficient number, since it is larger than the sum of its proper divisors (19997229).

42632403 is a wasteful number, since it uses less digits than its factorization.

42632403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42632403 is about 6529.3493550277. The cubic root of 42632403 is about 349.3386231264.

It can be divided in two parts, 4263 and 2403, that added together give a palindrome (6666).

The spelling of 42632403 in words is "forty-two million, six hundred thirty-two thousand, four hundred three".