461213441 has 4 divisors (see below), whose sum is σ = 496691412. Its totient is φ = 425735472.

The previous prime is 461213437. The next prime is 461213453. The reversal of 461213441 is 144312164.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 228010000 + 233203441 = 15100^2 + 15271^2 .

It is a cyclic number.

It is not a de Polignac number, because 461213441 - 2² = 461213437 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 461213441.

It is not an unprimeable number, because it can be changed into a prime (461213341) 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, 17738966 + ... + 17738991.

It is an arithmetic number, because the mean of its divisors is an integer number (124172853).

Almost surely, 2^461213441 is an apocalyptic number.

It is an amenable number.

461213441 is a deficient number, since it is larger than the sum of its proper divisors (35477971).

461213441 is a wasteful number, since it uses less digits than its factorization.

461213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35477970.

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

The square root of 461213441 is about 21475.8804476091. The cubic root of 461213441 is about 772.6224414655.

The spelling of 461213441 in words is "four hundred sixty-one million, two hundred thirteen thousand, four hundred forty-one".