653262487 has 2 divisors, whose sum is σ = 653262488. Its totient is φ = 653262486.

The previous prime is 653262479. The next prime is 653262523. The reversal of 653262487 is 784262356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653262487 - 2³ = 653262479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653262457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326631243 + 326631244.

It is an arithmetic number, because the mean of its divisors is an integer number (326631244).

Almost surely, 2^653262487 is an apocalyptic number.

653262487 is a deficient number, since it is larger than the sum of its proper divisors (1).

653262487 is an equidigital number, since it uses as much as digits as its factorization.

653262487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 653262487 is about 25559.0001173755. Note that the first 3 decimals coincide. The cubic root of 653262487 is about 867.6859662163.

The spelling of 653262487 in words is "six hundred fifty-three million, two hundred sixty-two thousand, four hundred eighty-seven".