42321495 has 32 divisors (see below), whose sum is σ = 71852544. Its totient is φ = 21225600.

The previous prime is 42321491. The next prime is 42321511. The reversal of 42321495 is 59412324.

42321495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42321495 - 2² = 42321491 is a prime.

It is a super-2 number, since 2×42321495² = 3582217878070050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321491) 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 31 ways as a sum of consecutive naturals, for example, 20040 + ... + 22050.

It is an arithmetic number, because the mean of its divisors is an integer number (2245392).

Almost surely, 2^42321495 is an apocalyptic number.

42321495 is a deficient number, since it is larger than the sum of its proper divisors (29531049).

42321495 is a wasteful number, since it uses less digits than its factorization.

42321495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

The product of its digits is 8640, while the sum is 30.

The square root of 42321495 is about 6505.4972907534. The cubic root of 42321495 is about 348.4873357837.

The spelling of 42321495 in words is "forty-two million, three hundred twenty-one thousand, four hundred ninety-five".