52351481 has 16 divisors (see below), whose sum is σ = 65495808. Its totient is φ = 40737600.

The previous prime is 52351471. The next prime is 52351487. The reversal of 52351481 is 18415325.

It is a cyclic number.

It is not a de Polignac number, because 52351481 - 2⁶ = 52351417 is a prime.

It is a super-2 number, since 2×52351481² = 5481355125786722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52351487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (4093488).

Almost surely, 2^52351481 is an apocalyptic number.

It is an amenable number.

52351481 is a deficient number, since it is larger than the sum of its proper divisors (13144327).

52351481 is a wasteful number, since it uses less digits than its factorization.

52351481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512.

The product of its digits is 4800, while the sum is 29.

The square root of 52351481 is about 7235.4323298612. The cubic root of 52351481 is about 374.0901938666.

The spelling of 52351481 in words is "fifty-two million, three hundred fifty-one thousand, four hundred eighty-one".