42732253 has 2 divisors, whose sum is σ = 42732254. Its totient is φ = 42732252.

The previous prime is 42732241. The next prime is 42732281. The reversal of 42732253 is 35223724.

It is an a-pointer prime, because the next prime (42732281) can be obtained adding 42732253 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25938649 + 16793604 = 5093^2 + 4098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42732253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42732233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21366126 + 21366127.

It is an arithmetic number, because the mean of its divisors is an integer number (21366127).

Almost surely, 2^42732253 is an apocalyptic number.

It is an amenable number.

42732253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42732253 is an equidigital number, since it uses as much as digits as its factorization.

42732253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 28.

The square root of 42732253 is about 6536.9911274225. The cubic root of 42732253 is about 349.6111409166.

Adding to 42732253 its reverse (35223724), we get a palindrome (77955977).

The spelling of 42732253 in words is "forty-two million, seven hundred thirty-two thousand, two hundred fifty-three".