61243266 has 32 divisors (see below), whose sum is σ = 143244288. Its totient is φ = 17090640.

The previous prime is 61243229. The next prime is 61243267. The reversal of 61243266 is 66234216.

It is not an unprimeable number, because it can be changed into a prime (61243267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15150 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (4476384).

Almost surely, 2^61243266 is an apocalyptic number.

61243266 is an abundant number, since it is smaller than the sum of its proper divisors (82001022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61243266 is a wasteful number, since it uses less digits than its factorization.

61243266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33966.

The product of its digits is 10368, while the sum is 30.

The square root of 61243266 is about 7825.8076899449. The cubic root of 61243266 is about 394.1723116197.

The spelling of 61243266 in words is "sixty-one million, two hundred forty-three thousand, two hundred sixty-six".