61009713 has 32 divisors (see below), whose sum is σ = 93265920. Its totient is φ = 39396240.

The previous prime is 61009693. The next prime is 61009727. The reversal of 61009713 is 31790016.

It is not a de Polignac number, because 61009713 - 2²¹ = 58912561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61009783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166056 + ... + 166422.

It is an arithmetic number, because the mean of its divisors is an integer number (2914560).

Almost surely, 2^61009713 is an apocalyptic number.

It is an amenable number.

61009713 is a deficient number, since it is larger than the sum of its proper divisors (32256207).

61009713 is a wasteful number, since it uses less digits than its factorization.

61009713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 61009713 is about 7810.8714622633. The cubic root of 61009713 is about 393.6706107517.

Adding to 61009713 its reverse (31790016), we get a palindrome (92799729).

The spelling of 61009713 in words is "sixty-one million, nine thousand, seven hundred thirteen".