42653101 has 2 divisors, whose sum is σ = 42653102. Its totient is φ = 42653100.

The previous prime is 42653099. The next prime is 42653137. The reversal of 42653101 is 10135624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 1565001 = 6410^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 42653101 - 2¹ = 42653099 is a prime.

Together with 42653099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42653141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21326550 + 21326551.

It is an arithmetic number, because the mean of its divisors is an integer number (21326551).

Almost surely, 2^42653101 is an apocalyptic number.

It is an amenable number.

42653101 is a deficient number, since it is larger than the sum of its proper divisors (1).

42653101 is an equidigital number, since it uses as much as digits as its factorization.

42653101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 42653101 is about 6530.9341598274. The cubic root of 42653101 is about 349.3951485271.

Adding to 42653101 its reverse (10135624), we get a palindrome (52788725).

The spelling of 42653101 in words is "forty-two million, six hundred fifty-three thousand, one hundred one".