61326651 has 8 divisors (see below), whose sum is σ = 81846544. Its totient is φ = 40845600.

The previous prime is 61326647. The next prime is 61326659. The reversal of 61326651 is 15662316.

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

It is not a de Polignac number, because 61326651 - 2² = 61326647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61326659) 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, 5800 + ... + 12501.

It is an arithmetic number, because the mean of its divisors is an integer number (10230818).

Almost surely, 2^61326651 is an apocalyptic number.

61326651 is a deficient number, since it is larger than the sum of its proper divisors (20519893).

61326651 is a wasteful number, since it uses less digits than its factorization.

61326651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19421.

The product of its digits is 6480, while the sum is 30.

The square root of 61326651 is about 7831.1334428676. The cubic root of 61326651 is about 394.3511239452.

Adding to 61326651 its reverse (15662316), we get a palindrome (76988967).

The spelling of 61326651 in words is "sixty-one million, three hundred twenty-six thousand, six hundred fifty-one".