61125266 has 4 divisors (see below), whose sum is σ = 91687902. Its totient is φ = 30562632.

The previous prime is 61125263. The next prime is 61125287. The reversal of 61125266 is 66252116.

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

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 13169641 = 6925^2 + 3629^2 .

It is not an unprimeable number, because it can be changed into a prime (61125263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15281315 + ... + 15281318.

Almost surely, 2^61125266 is an apocalyptic number.

61125266 is a deficient number, since it is larger than the sum of its proper divisors (30562636).

61125266 is a wasteful number, since it uses less digits than its factorization.

61125266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30562635.

The product of its digits is 4320, while the sum is 29.

The square root of 61125266 is about 7818.2648970216. The cubic root of 61125266 is about 393.9189926822.

The spelling of 61125266 in words is "sixty-one million, one hundred twenty-five thousand, two hundred sixty-six".