61449852 has 24 divisors (see below), whose sum is σ = 144655056. Its totient is φ = 20301568.

The previous prime is 61449851. The next prime is 61449853. The reversal of 61449852 is 25894416.

It is an interprime number because it is at equal distance from previous prime (61449851) and next prime (61449853).

It is a self number, because there is not a number n which added to its sum of digits gives 61449852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61449851) 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, 21303 + ... + 24014.

It is an arithmetic number, because the mean of its divisors is an integer number (6027294).

Almost surely, 2^61449852 is an apocalyptic number.

It is an amenable number.

61449852 is an abundant number, since it is smaller than the sum of its proper divisors (83205204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61449852 is a wasteful number, since it uses less digits than its factorization.

61449852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45437 (or 45435 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 61449852 is about 7838.9955989272. The cubic root of 61449852 is about 394.6150220168.

The spelling of 61449852 in words is "sixty-one million, four hundred forty-nine thousand, eight hundred fifty-two".