612204461 has 12 divisors (see below), whose sum is σ = 694630272. Its totient is φ = 538593000.

The previous prime is 612204451. The next prime is 612204487. The reversal of 612204461 is 164402216.

It is not a de Polignac number, because 612204461 - 2²⁶ = 545095597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612204461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612204421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77855 + ... + 85356.

It is an arithmetic number, because the mean of its divisors is an integer number (57885856).

Almost surely, 2^612204461 is an apocalyptic number.

It is an amenable number.

612204461 is a deficient number, since it is larger than the sum of its proper divisors (82425811).

612204461 is a wasteful number, since it uses less digits than its factorization.

612204461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163264 (or 163253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 612204461 is about 24742.7658316527. The cubic root of 612204461 is about 849.1130129159.

Adding to 612204461 its reverse (164402216), we get a palindrome (776606677).

The spelling of 612204461 in words is "six hundred twelve million, two hundred four thousand, four hundred sixty-one".