654053539 has 2 divisors, whose sum is σ = 654053540. Its totient is φ = 654053538.

The previous prime is 654053513. The next prime is 654053567. The reversal of 654053539 is 935350456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654053539 - 2¹¹ = 654051491 is a prime.

It is not a weakly prime, because it can be changed into another prime (654053509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327026769 + 327026770.

It is an arithmetic number, because the mean of its divisors is an integer number (327026770).

Almost surely, 2^654053539 is an apocalyptic number.

654053539 is a deficient number, since it is larger than the sum of its proper divisors (1).

654053539 is an equidigital number, since it uses as much as digits as its factorization.

654053539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 654053539 is about 25574.4704539508. The cubic root of 654053539 is about 868.0360592062.

The spelling of 654053539 in words is "six hundred fifty-four million, fifty-three thousand, five hundred thirty-nine".