61376253 has 4 divisors (see below), whose sum is σ = 81835008. Its totient is φ = 40917500.

The previous prime is 61376207. The next prime is 61376261. The reversal of 61376253 is 35267316.

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 61376253 - 2¹⁴ = 61359869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61376353) 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, 10229373 + ... + 10229378.

It is an arithmetic number, because the mean of its divisors is an integer number (20458752).

Almost surely, 2^61376253 is an apocalyptic number.

It is an amenable number.

61376253 is a deficient number, since it is larger than the sum of its proper divisors (20458755).

61376253 is a wasteful number, since it uses less digits than its factorization.

61376253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20458754.

The product of its digits is 22680, while the sum is 33.

The square root of 61376253 is about 7834.2997772615. The cubic root of 61376253 is about 394.4574145103.

The spelling of 61376253 in words is "sixty-one million, three hundred seventy-six thousand, two hundred fifty-three".