61324651 has 8 divisors (see below), whose sum is σ = 63080000. Its totient is φ = 59574528.

The previous prime is 61324639. The next prime is 61324667. The reversal of 61324651 is 15642316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61324651 - 2¹¹ = 61322603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61324621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45550 + ... + 46876.

It is an arithmetic number, because the mean of its divisors is an integer number (7885000).

Almost surely, 2^61324651 is an apocalyptic number.

61324651 is a deficient number, since it is larger than the sum of its proper divisors (1755349).

61324651 is a wasteful number, since it uses less digits than its factorization.

61324651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its digits is 4320, while the sum is 28.

The square root of 61324651 is about 7831.0057463904. The cubic root of 61324651 is about 394.3468370063.

Adding to 61324651 its reverse (15642316), we get a palindrome (76966967).

The spelling of 61324651 in words is "sixty-one million, three hundred twenty-four thousand, six hundred fifty-one".