61449011 has 8 divisors (see below), whose sum is σ = 66511200. Its totient is φ = 56434752.

The previous prime is 61449001. The next prime is 61449013. The reversal of 61449011 is 11094416.

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 61449011 - 2¹⁴ = 61432627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61449013) 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, 9290 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (8313900).

Almost surely, 2^61449011 is an apocalyptic number.

61449011 is a deficient number, since it is larger than the sum of its proper divisors (5062189).

61449011 is a wasteful number, since it uses less digits than its factorization.

61449011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 61449011 is about 7838.9419566674. The cubic root of 61449011 is about 394.6132217806.

The spelling of 61449011 in words is "sixty-one million, four hundred forty-nine thousand, eleven".