61267449 has 8 divisors (see below), whose sum is σ = 83897920. Its totient is φ = 39740976.

The previous prime is 61267369. The next prime is 61267463. The reversal of 61267449 is 94476216.

It is a happy number.

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

It is not a de Polignac number, because 61267449 - 2¹³ = 61259257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61267499) 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, 275869 + ... + 276090.

It is an arithmetic number, because the mean of its divisors is an integer number (10487240).

Almost surely, 2^61267449 is an apocalyptic number.

It is an amenable number.

61267449 is a deficient number, since it is larger than the sum of its proper divisors (22630471).

61267449 is a wasteful number, since it uses less digits than its factorization.

61267449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551999.

The product of its digits is 72576, while the sum is 39.

The square root of 61267449 is about 7827.3526175841. The cubic root of 61267449 is about 394.2241867903.

It can be divided in two parts, 61267 and 449, that added together give a palindrome (61716).

The spelling of 61267449 in words is "sixty-one million, two hundred sixty-seven thousand, four hundred forty-nine".