612431463 has 32 divisors (see below), whose sum is σ = 948879360. Its totient is φ = 344129760.

The previous prime is 612431459. The next prime is 612431467. The reversal of 612431463 is 364134216.

It is an interprime number because it is at equal distance from previous prime (612431459) and next prime (612431467).

It is not a de Polignac number, because 612431463 - 2² = 612431459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612431463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612431467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515356 + ... + 516542.

It is an arithmetic number, because the mean of its divisors is an integer number (29652480).

Almost surely, 2^612431463 is an apocalyptic number.

612431463 is a deficient number, since it is larger than the sum of its proper divisors (336447897).

612431463 is a wasteful number, since it uses less digits than its factorization.

612431463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 10368, while the sum is 30.

The square root of 612431463 is about 24747.3526462933. The cubic root of 612431463 is about 849.2179487371.

Adding to 612431463 its reverse (364134216), we get a palindrome (976565679).

The spelling of 612431463 in words is "six hundred twelve million, four hundred thirty-one thousand, four hundred sixty-three".