40477253 has 2 divisors, whose sum is σ = 40477254. Its totient is φ = 40477252.

The previous prime is 40477219. The next prime is 40477271. The reversal of 40477253 is 35277404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 2209 = 6362^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 40477253 - 2⁶ = 40477189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40477553) 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, 20238626 + 20238627.

It is an arithmetic number, because the mean of its divisors is an integer number (20238627).

Almost surely, 2^40477253 is an apocalyptic number.

It is an amenable number.

40477253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40477253 is an equidigital number, since it uses as much as digits as its factorization.

40477253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 40477253 is about 6362.1736065593. The cubic root of 40477253 is about 343.3499673553.

The spelling of 40477253 in words is "forty million, four hundred seventy-seven thousand, two hundred fifty-three".