654422013 has 24 divisors (see below), whose sum is σ = 1127288448. Its totient is φ = 357695712.

The previous prime is 654422003. The next prime is 654422023. The reversal of 654422013 is 310224456.

654422013 is a `hidden beast` number, since 654 + 4 + 2 + 2 + 0 + 1 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (654422003) and next prime (654422023).

It is not a de Polignac number, because 654422013 - 2²⁵ = 620867581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654422003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224370 + ... + 227267.

It is an arithmetic number, because the mean of its divisors is an integer number (46970352).

Almost surely, 2^654422013 is an apocalyptic number.

654422013 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

654422013 is a deficient number, since it is larger than the sum of its proper divisors (472866435).

654422013 is a wasteful number, since it uses less digits than its factorization.

654422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451673 (or 451670 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 654422013 is about 25581.6733815441. The cubic root of 654422013 is about 868.1990370330.

Adding to 654422013 its reverse (310224456), we get a palindrome (964646469).

The spelling of 654422013 in words is "six hundred fifty-four million, four hundred twenty-two thousand, thirteen".