140604253 has 2 divisors, whose sum is σ = 140604254. Its totient is φ = 140604252.

The previous prime is 140604227. The next prime is 140604259. The reversal of 140604253 is 352406041.

140604253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137428729 + 3175524 = 11723^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 140604253 - 2¹⁷ = 140473181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140604259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70302126 + 70302127.

It is an arithmetic number, because the mean of its divisors is an integer number (70302127).

Almost surely, 2^140604253 is an apocalyptic number.

It is an amenable number.

140604253 is a deficient number, since it is larger than the sum of its proper divisors (1).

140604253 is an equidigital number, since it uses as much as digits as its factorization.

140604253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140604253 is about 11857.6664230362. Note that the first 3 decimals coincide. The cubic root of 140604253 is about 519.9953808761.

The spelling of 140604253 in words is "one hundred forty million, six hundred four thousand, two hundred fifty-three".