52470247 has 2 divisors, whose sum is σ = 52470248. Its totient is φ = 52470246.

The previous prime is 52470233. The next prime is 52470281. The reversal of 52470247 is 74207425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52470247 - 2¹⁵ = 52437479 is a prime.

It is a super-3 number, since 3×52470247³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52470227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26235123 + 26235124.

It is an arithmetic number, because the mean of its divisors is an integer number (26235124).

Almost surely, 2^52470247 is an apocalyptic number.

52470247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52470247 is an equidigital number, since it uses as much as digits as its factorization.

52470247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 52470247 is about 7243.6349300610. The cubic root of 52470247 is about 374.3728706228.

The spelling of 52470247 in words is "fifty-two million, four hundred seventy thousand, two hundred forty-seven".