654148479 has 8 divisors (see below), whose sum is σ = 872596480. Its totient is φ = 435899736.

The previous prime is 654148471. The next prime is 654148483. The reversal of 654148479 is 974841456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 654148479 - 2³ = 654148471 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 (654148471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41977 + ... + 55410.

It is an arithmetic number, because the mean of its divisors is an integer number (109074560).

Almost surely, 2^654148479 is an apocalyptic number.

654148479 is a deficient number, since it is larger than the sum of its proper divisors (218448001).

654148479 is a wasteful number, since it uses less digits than its factorization.

654148479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99629.

The product of its digits is 967680, while the sum is 48.

The square root of 654148479 is about 25576.3265345123. The cubic root of 654148479 is about 868.0780574787.

The spelling of 654148479 in words is "six hundred fifty-four million, one hundred forty-eight thousand, four hundred seventy-nine".