654132401 has 8 divisors (see below), whose sum is σ = 711714024. Its totient is φ = 597588480.

The previous prime is 654132377. The next prime is 654132421. The reversal of 654132401 is 104231456.

It can be written as a sum of positive squares in 4 ways, for example, as 97219600 + 556912801 = 9860^2 + 23599^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 654132401 - 2⁶ = 654132337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654132421) 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, 258110 + ... + 260631.

It is an arithmetic number, because the mean of its divisors is an integer number (88964253).

Almost surely, 2^654132401 is an apocalyptic number.

It is an amenable number.

654132401 is a deficient number, since it is larger than the sum of its proper divisors (57581623).

654132401 is a wasteful number, since it uses less digits than its factorization.

654132401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518851.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 654132401 is about 25576.0122184832. The cubic root of 654132401 is about 868.0709453964.

Adding to 654132401 its reverse (104231456), we get a palindrome (758363857).

The spelling of 654132401 in words is "six hundred fifty-four million, one hundred thirty-two thousand, four hundred one".