61264369 has 4 divisors (see below), whose sum is σ = 61518820. Its totient is φ = 61009920.

The previous prime is 61264351. The next prime is 61264381. The reversal of 61264369 is 96346216.

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 15904144 + 45360225 = 3988^2 + 6735^2 .

It is a cyclic number.

It is not a de Polignac number, because 61264369 - 2⁹ = 61263857 is a prime.

It is a super-2 number, since 2×61264369² = 7506645817936322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61264309) 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, 126864 + ... + 127345.

It is an arithmetic number, because the mean of its divisors is an integer number (15379705).

Almost surely, 2^61264369 is an apocalyptic number.

It is an amenable number.

61264369 is a deficient number, since it is larger than the sum of its proper divisors (254451).

61264369 is a wasteful number, since it uses less digits than its factorization.

61264369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254450.

The product of its digits is 46656, while the sum is 37.

The square root of 61264369 is about 7827.1558691520. The cubic root of 61264369 is about 394.2175806133.

The spelling of 61264369 in words is "sixty-one million, two hundred sixty-four thousand, three hundred sixty-nine".