42329501 has 4 divisors (see below), whose sum is σ = 43313952. Its totient is φ = 41345052.

The previous prime is 42329479. The next prime is 42329503. The reversal of 42329501 is 10592324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42329501 - 2⁶ = 42329437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42329503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492161 + ... + 492246.

It is an arithmetic number, because the mean of its divisors is an integer number (10828488).

Almost surely, 2^42329501 is an apocalyptic number.

It is an amenable number.

42329501 is a deficient number, since it is larger than the sum of its proper divisors (984451).

42329501 is an equidigital number, since it uses as much as digits as its factorization.

42329501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984450.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 42329501 is about 6506.1125874058. The cubic root of 42329501 is about 348.5093089655.

The spelling of 42329501 in words is "forty-two million, three hundred twenty-nine thousand, five hundred one".