612441463 has 4 divisors (see below), whose sum is σ = 612667000. Its totient is φ = 612215928.

The previous prime is 612441449. The next prime is 612441499. The reversal of 612441463 is 364144216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612441463 - 2¹³ = 612433271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612411463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108645 + ... + 114142.

It is an arithmetic number, because the mean of its divisors is an integer number (153166750).

Almost surely, 2^612441463 is an apocalyptic number.

612441463 is a deficient number, since it is larger than the sum of its proper divisors (225537).

612441463 is a wasteful number, since it uses less digits than its factorization.

612441463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225536.

The product of its digits is 13824, while the sum is 31.

The square root of 612441463 is about 24747.5546872817. The cubic root of 612441463 is about 849.2225708234. Note that the first 3 decimals are identical.

Adding to 612441463 its reverse (364144216), we get a palindrome (976585679).

The spelling of 612441463 in words is "six hundred twelve million, four hundred forty-one thousand, four hundred sixty-three".