40485253 has 2 divisors, whose sum is σ = 40485254. Its totient is φ = 40485252.

The previous prime is 40485233. The next prime is 40485259. The reversal of 40485253 is 35258404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 14607684 = 5087^2 + 3822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40485253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40485259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20242626 + 20242627.

It is an arithmetic number, because the mean of its divisors is an integer number (20242627).

Almost surely, 2^40485253 is an apocalyptic number.

It is an amenable number.

40485253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40485253 is an equidigital number, since it uses as much as digits as its factorization.

40485253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 40485253 is about 6362.8022914436. The cubic root of 40485253 is about 343.3725859752.

The spelling of 40485253 in words is "forty million, four hundred eighty-five thousand, two hundred fifty-three".