40253401 has 2 divisors, whose sum is σ = 40253402. Its totient is φ = 40253400.

The previous prime is 40253359. The next prime is 40253417. The reversal of 40253401 is 10435204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 1565001 = 6220^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 40253401 - 2⁷ = 40253273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40253201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20126700 + 20126701.

It is an arithmetic number, because the mean of its divisors is an integer number (20126701).

Almost surely, 2^40253401 is an apocalyptic number.

It is an amenable number.

40253401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40253401 is an equidigital number, since it uses as much as digits as its factorization.

40253401 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 19.

The square root of 40253401 is about 6344.5568009121. The cubic root of 40253401 is about 342.7158523563.

Adding to 40253401 its reverse (10435204), we get a palindrome (50688605).

The spelling of 40253401 in words is "forty million, two hundred fifty-three thousand, four hundred one".