653313887 has 2 divisors, whose sum is σ = 653313888. Its totient is φ = 653313886.

The previous prime is 653313877. The next prime is 653313901. The reversal of 653313887 is 788313356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653313887 - 2⁶ = 653313823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653313877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326656943 + 326656944.

It is an arithmetic number, because the mean of its divisors is an integer number (326656944).

Almost surely, 2^653313887 is an apocalyptic number.

653313887 is a deficient number, since it is larger than the sum of its proper divisors (1).

653313887 is an equidigital number, since it uses as much as digits as its factorization.

653313887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 653313887 is about 25560.0056142404. The cubic root of 653313887 is about 867.7087227090.

The spelling of 653313887 in words is "six hundred fifty-three million, three hundred thirteen thousand, eight hundred eighty-seven".