61469213 has 4 divisors (see below), whose sum is σ = 66197628. Its totient is φ = 56740800.

The previous prime is 61469207. The next prime is 61469323. The reversal of 61469213 is 31296416.

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 8076964 + 53392249 = 2842^2 + 7307^2 .

It is a cyclic number.

It is not a de Polignac number, because 61469213 - 2¹⁰ = 61468189 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 61469213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61469413) 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, 2364188 + ... + 2364213.

It is an arithmetic number, because the mean of its divisors is an integer number (16549407).

Almost surely, 2^61469213 is an apocalyptic number.

It is an amenable number.

61469213 is a deficient number, since it is larger than the sum of its proper divisors (4728415).

61469213 is a wasteful number, since it uses less digits than its factorization.

61469213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728414.

The product of its digits is 7776, while the sum is 32.

The square root of 61469213 is about 7840.2304175324. The cubic root of 61469213 is about 394.6564614396.

The spelling of 61469213 in words is "sixty-one million, four hundred sixty-nine thousand, two hundred thirteen".