42632297 has 2 divisors, whose sum is σ = 42632298. Its totient is φ = 42632296.

The previous prime is 42632287. The next prime is 42632309. The reversal of 42632297 is 79223624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 434281 = 6496^2 + 659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42632297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42632207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21316148 + 21316149.

It is an arithmetic number, because the mean of its divisors is an integer number (21316149).

Almost surely, 2^42632297 is an apocalyptic number.

It is an amenable number.

42632297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42632297 is an equidigital number, since it uses as much as digits as its factorization.

42632297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 42632297 is about 6529.3412378279. The cubic root of 42632297 is about 349.3383335976.

It can be divided in two parts, 426 and 32297, that added together give a palindrome (32723).

The spelling of 42632297 in words is "forty-two million, six hundred thirty-two thousand, two hundred ninety-seven".