40525273 has 2 divisors, whose sum is σ = 40525274. Its totient is φ = 40525272.

The previous prime is 40525213. The next prime is 40525283. The reversal of 40525273 is 37252504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39841344 + 683929 = 6312^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 40525273 - 2²⁵ = 6970841 is a prime.

It is not a weakly prime, because it can be changed into another prime (40525213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262636 + 20262637.

It is an arithmetic number, because the mean of its divisors is an integer number (20262637).

Almost surely, 2^40525273 is an apocalyptic number.

It is an amenable number.

40525273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525273 is an equidigital number, since it uses as much as digits as its factorization.

40525273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 40525273 is about 6365.9463554133. The cubic root of 40525273 is about 343.4856909077.

Adding to 40525273 its reverse (37252504), we get a palindrome (77777777).

The spelling of 40525273 in words is "forty million, five hundred twenty-five thousand, two hundred seventy-three".