42929501 has 4 divisors (see below), whose sum is σ = 43976604. Its totient is φ = 41882400.

The previous prime is 42929479. The next prime is 42929503. The reversal of 42929501 is 10592924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7812025 + 35117476 = 2795^2 + 5926^2 .

It is a cyclic number.

It is not a de Polignac number, because 42929501 - 2¹⁸ = 42667357 is a prime.

It is a super-2 number, since 2×42929501² = 3685884112218002, 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 (42929503) 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, 523490 + ... + 523571.

It is an arithmetic number, because the mean of its divisors is an integer number (10994151).

Almost surely, 2^42929501 is an apocalyptic number.

42929501 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42929501 is a deficient number, since it is larger than the sum of its proper divisors (1047103).

42929501 is a wasteful number, since it uses less digits than its factorization.

42929501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047102.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 42929501 is about 6552.0608208410. The cubic root of 42929501 is about 350.1482392466.

The spelling of 42929501 in words is "forty-two million, nine hundred twenty-nine thousand, five hundred one".