61224469 has 4 divisors (see below), whose sum is σ = 61248096. Its totient is φ = 61200844.

The previous prime is 61224467. The next prime is 61224523. The reversal of 61224469 is 96442216.

61224469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61224469 - 2¹ = 61224467 is a prime.

It is a super-2 number, since 2×61224469² = 7496871208663922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61224461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7369 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (15312024).

Almost surely, 2^61224469 is an apocalyptic number.

It is an amenable number.

61224469 is a deficient number, since it is larger than the sum of its proper divisors (23627).

61224469 is a wasteful number, since it uses less digits than its factorization.

61224469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626.

The product of its digits is 20736, while the sum is 34.

The square root of 61224469 is about 7824.6066354802. The cubic root of 61224469 is about 394.1319805728.

The spelling of 61224469 in words is "sixty-one million, two hundred twenty-four thousand, four hundred sixty-nine".