52481397 has 16 divisors (see below), whose sum is σ = 74457792. Its totient is φ = 32766720.

The previous prime is 52481393. The next prime is 52481413. The reversal of 52481397 is 79318425.

52481397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52481397 - 2² = 52481393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52481393) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8323 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (4653612).

Almost surely, 2^52481397 is an apocalyptic number.

It is an amenable number.

52481397 is a deficient number, since it is larger than the sum of its proper divisors (21976395).

52481397 is a wasteful number, since it uses less digits than its factorization.

52481397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108.

The product of its digits is 60480, while the sum is 39.

The square root of 52481397 is about 7244.4045303945. The cubic root of 52481397 is about 374.3993869954.

The spelling of 52481397 in words is "fifty-two million, four hundred eighty-one thousand, three hundred ninety-seven".