654213412 has 6 divisors (see below), whose sum is σ = 1144873478. Its totient is φ = 327106704.

The previous prime is 654213409. The next prime is 654213421. The reversal of 654213412 is 214312456.

It can be written as a sum of positive squares in only one way, i.e., 586414656 + 67798756 = 24216^2 + 8234^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81776673 + ... + 81776680.

Almost surely, 2^654213412 is an apocalyptic number.

It is an amenable number.

654213412 is a deficient number, since it is larger than the sum of its proper divisors (490660066).

654213412 is a wasteful number, since it uses less digits than its factorization.

654213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163553357 (or 163553355 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 654213412 is about 25577.5958995368. The cubic root of 654213412 is about 868.1067793206.

Adding to 654213412 its reverse (214312456), we get a palindrome (868525868).

The spelling of 654213412 in words is "six hundred fifty-four million, two hundred thirteen thousand, four hundred twelve".