42231653 has 2 divisors, whose sum is σ = 42231654. Its totient is φ = 42231652.

The previous prime is 42231647. The next prime is 42231659. The reversal of 42231653 is 35613224.

It is a balanced prime because it is at equal distance from previous prime (42231647) and next prime (42231659).

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 7739524 = 5873^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 42231653 - 2⁶ = 42231589 is a prime.

It is a super-2 number, since 2×42231653² = 3567025030224818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115826 + 21115827.

It is an arithmetic number, because the mean of its divisors is an integer number (21115827).

Almost surely, 2^42231653 is an apocalyptic number.

It is an amenable number.

42231653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231653 is an equidigital number, since it uses as much as digits as its factorization.

42231653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 42231653 is about 6498.5885390598. The cubic root of 42231653 is about 348.2405661460.

Adding to 42231653 its reverse (35613224), we get a palindrome (77844877).

The spelling of 42231653 in words is "forty-two million, two hundred thirty-one thousand, six hundred fifty-three".