61294247 has 12 divisors (see below), whose sum is σ = 75055320. Its totient is φ = 49772016.

The previous prime is 61294151. The next prime is 61294267. The reversal of 61294247 is 74249216.

It is not a de Polignac number, because 61294247 - 2¹⁴ = 61277863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61294267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31988 + ... + 33849.

It is an arithmetic number, because the mean of its divisors is an integer number (6254610).

Almost surely, 2^61294247 is an apocalyptic number.

61294247 is a deficient number, since it is larger than the sum of its proper divisors (13761073).

61294247 is a wasteful number, since it uses less digits than its factorization.

61294247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65870 (or 65863 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 61294247 is about 7829.0642480440. The cubic root of 61294247 is about 394.2816554790.

The spelling of 61294247 in words is "sixty-one million, two hundred ninety-four thousand, two hundred forty-seven".