42232501 has 4 divisors (see below), whose sum is σ = 43262604. Its totient is φ = 41202400.

The previous prime is 42232499. The next prime is 42232523. The reversal of 42232501 is 10523224.

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 17222500 + 25010001 = 4150^2 + 5001^2 .

It is a cyclic number.

It is not a de Polignac number, because 42232501 - 2¹ = 42232499 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 (42232591) 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, 514990 + ... + 515071.

It is an arithmetic number, because the mean of its divisors is an integer number (10815651).

Almost surely, 2^42232501 is an apocalyptic number.

42232501 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42232501 is a deficient number, since it is larger than the sum of its proper divisors (1030103).

42232501 is a wasteful number, since it uses less digits than its factorization.

42232501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030102.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42232501 is about 6498.6537836694. The cubic root of 42232501 is about 348.2428969887.

Adding to 42232501 its reverse (10523224), we get a palindrome (52755725).

It can be divided in two parts, 4223 and 2501, that added together give a square (6724 = 82²).

The spelling of 42232501 in words is "forty-two million, two hundred thirty-two thousand, five hundred one".