612542241 has 24 divisors (see below), whose sum is σ = 898200576. Its totient is φ = 402200160.

The previous prime is 612542239. The next prime is 612542243. The reversal of 612542241 is 142245216.

612542241 is a `hidden beast` number, since 612 + 5 + 4 + 2 + 2 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (612542239) and next prime (612542243).

It is not a de Polignac number, because 612542241 - 2¹ = 612542239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612542243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285031 + ... + 287171.

It is an arithmetic number, because the mean of its divisors is an integer number (37425024).

Almost surely, 2^612542241 is an apocalyptic number.

It is an amenable number.

612542241 is a deficient number, since it is larger than the sum of its proper divisors (285658335).

612542241 is a wasteful number, since it uses less digits than its factorization.

612542241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613 (or 2610 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 612542241 is about 24749.5907238887. The cubic root of 612542241 is about 849.2691484767.

Adding to 612542241 its reverse (142245216), we get a palindrome (754787457).

The spelling of 612542241 in words is "six hundred twelve million, five hundred forty-two thousand, two hundred forty-one".