40602251 has 2 divisors, whose sum is σ = 40602252. Its totient is φ = 40602250.

The previous prime is 40602229. The next prime is 40602253. The reversal of 40602251 is 15220604.

It is a happy number.

40602251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40602251 is a prime.

Together with 40602253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40602253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20301125 + 20301126.

It is an arithmetic number, because the mean of its divisors is an integer number (20301126).

Almost surely, 2^40602251 is an apocalyptic number.

40602251 is a deficient number, since it is larger than the sum of its proper divisors (1).

40602251 is an equidigital number, since it uses as much as digits as its factorization.

40602251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40602251 is about 6371.9895637077. The cubic root of 40602251 is about 343.7030377277.

Adding to 40602251 its reverse (15220604), we get a palindrome (55822855).

The spelling of 40602251 in words is "forty million, six hundred two thousand, two hundred fifty-one".