654532319 has 4 divisors (see below), whose sum is σ = 748036944. Its totient is φ = 561027696.

The previous prime is 654532297. The next prime is 654532327. The reversal of 654532319 is 913235456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654532319 - 2²⁴ = 637755103 is a prime.

It is a super-2 number, since 2×654532319² = 856825113231035522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654532519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46752302 + ... + 46752315.

It is an arithmetic number, because the mean of its divisors is an integer number (187009236).

Almost surely, 2^654532319 is an apocalyptic number.

654532319 is a deficient number, since it is larger than the sum of its proper divisors (93504625).

654532319 is an equidigital number, since it uses as much as digits as its factorization.

654532319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93504624.

The product of its digits is 97200, while the sum is 38.

The square root of 654532319 is about 25583.8292481794. The cubic root of 654532319 is about 868.2478140102.

The spelling of 654532319 in words is "six hundred fifty-four million, five hundred thirty-two thousand, three hundred nineteen".