654612402 has 8 divisors (see below), whose sum is σ = 1309224816. Its totient is φ = 218204132.

The previous prime is 654612379. The next prime is 654612433. The reversal of 654612402 is 204216456.

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

654612402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 654612402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54551028 + ... + 54551039.

It is an arithmetic number, because the mean of its divisors is an integer number (163653102).

Almost surely, 2^654612402 is an apocalyptic number.

654612402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654612402 is a wasteful number, since it uses less digits than its factorization.

654612402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109102072.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 654612402 is about 25585.3943100356. The cubic root of 654612402 is about 868.2832230354.

Adding to 654612402 its reverse (204216456), we get a palindrome (858828858).

The spelling of 654612402 in words is "six hundred fifty-four million, six hundred twelve thousand, four hundred two".