653953287 has 32 divisors (see below), whose sum is σ = 950295808. Its totient is φ = 397633536.

The previous prime is 653953247. The next prime is 653953337. The reversal of 653953287 is 782359356.

It is a happy number.

653953287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 653953287 - 2¹⁹ = 653428999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653953217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2129988 + ... + 2130294.

It is an arithmetic number, because the mean of its divisors is an integer number (29696744).

Almost surely, 2^653953287 is an apocalyptic number.

653953287 is a deficient number, since it is larger than the sum of its proper divisors (296342521).

653953287 is a wasteful number, since it uses less digits than its factorization.

653953287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its digits is 1360800, while the sum is 48.

The square root of 653953287 is about 25572.5103773564. The cubic root of 653953287 is about 867.9917066711.

The spelling of 653953287 in words is "six hundred fifty-three million, nine hundred fifty-three thousand, two hundred eighty-seven".