612430561 has 8 divisors (see below), whose sum is σ = 628531200. Its totient is φ = 596520720.

The previous prime is 612430547. The next prime is 612430573. The reversal of 612430561 is 165034216.

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 612430561 - 2¹¹ = 612428513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612430541) 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, 41185 + ... + 54046.

It is an arithmetic number, because the mean of its divisors is an integer number (78566400).

Almost surely, 2^612430561 is an apocalyptic number.

It is an amenable number.

612430561 is a deficient number, since it is larger than the sum of its proper divisors (16100639).

612430561 is a wasteful number, since it uses less digits than its factorization.

612430561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95399.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 612430561 is about 24747.3344221150. The cubic root of 612430561 is about 849.2175318224.

Adding to 612430561 its reverse (165034216), we get a palindrome (777464777).

The spelling of 612430561 in words is "six hundred twelve million, four hundred thirty thousand, five hundred sixty-one".