40632313 has 2 divisors, whose sum is σ = 40632314. Its totient is φ = 40632312.

The previous prime is 40632281. The next prime is 40632343. The reversal of 40632313 is 31323604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 29929 = 6372^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 40632313 - 2⁵ = 40632281 is a prime.

It is not a weakly prime, because it can be changed into another prime (40632343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316156 + 20316157.

It is an arithmetic number, because the mean of its divisors is an integer number (20316157).

Almost surely, 2^40632313 is an apocalyptic number.

It is an amenable number.

40632313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40632313 is an equidigital number, since it uses as much as digits as its factorization.

40632313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40632313 is about 6374.3480450945. The cubic root of 40632313 is about 343.7878429743.

Adding to 40632313 its reverse (31323604), we get a palindrome (71955917).

The spelling of 40632313 in words is "forty million, six hundred thirty-two thousand, three hundred thirteen".