52470731 has 2 divisors, whose sum is σ = 52470732. Its totient is φ = 52470730.

The previous prime is 52470713. The next prime is 52470739. The reversal of 52470731 is 13707425.

Together with previous prime (52470713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52470731 is a prime.

It is a super-3 number, since 3×52470731³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 52470694 and 52470703.

It is not a weakly prime, because it can be changed into another prime (52470739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26235365 + 26235366.

It is an arithmetic number, because the mean of its divisors is an integer number (26235366).

Almost surely, 2^52470731 is an apocalyptic number.

52470731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52470731 is an equidigital number, since it uses as much as digits as its factorization.

52470731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 52470731 is about 7243.6683386251. The cubic root of 52470731 is about 374.3740217254.

The spelling of 52470731 in words is "fifty-two million, four hundred seventy thousand, seven hundred thirty-one".