61326545 has 8 divisors (see below), whose sum is σ = 84105024. Its totient is φ = 42052464.

The previous prime is 61326539. The next prime is 61326553. The reversal of 61326545 is 54562316.

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 61326545 - 2¹⁶ = 61261009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876059 + ... + 876128.

It is an arithmetic number, because the mean of its divisors is an integer number (10513128).

Almost surely, 2^61326545 is an apocalyptic number.

It is an amenable number.

61326545 is a deficient number, since it is larger than the sum of its proper divisors (22778479).

61326545 is a wasteful number, since it uses less digits than its factorization.

61326545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752199.

The product of its digits is 21600, while the sum is 32.

The square root of 61326545 is about 7831.1266750066. The cubic root of 61326545 is about 394.3508967398.

The spelling of 61326545 in words is "sixty-one million, three hundred twenty-six thousand, five hundred forty-five".