61465312 has 24 divisors (see below), whose sum is σ = 124915392. Its totient is φ = 29740800.

The previous prime is 61465309. The next prime is 61465321. The reversal of 61465312 is 21356416.

61465312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29989 + ... + 31972.

It is an arithmetic number, because the mean of its divisors is an integer number (5204808).

Almost surely, 2^61465312 is an apocalyptic number.

61465312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61465312 is an abundant number, since it is smaller than the sum of its proper divisors (63450080).

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

61465312 is a wasteful number, since it uses less digits than its factorization.

61465312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62002 (or 61994 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 61465312 is about 7839.9816326315. The cubic root of 61465312 is about 394.6481126129.

The spelling of 61465312 in words is "sixty-one million, four hundred sixty-five thousand, three hundred twelve".