52515473 has 2 divisors, whose sum is σ = 52515474. Its totient is φ = 52515472.

The previous prime is 52515439. The next prime is 52515479. The reversal of 52515473 is 37451525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 1721344 = 7127^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 52515473 - 2⁸ = 52515217 is a prime.

It is not a weakly prime, because it can be changed into another prime (52515479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26257736 + 26257737.

It is an arithmetic number, because the mean of its divisors is an integer number (26257737).

Almost surely, 2^52515473 is an apocalyptic number.

It is an amenable number.

52515473 is a deficient number, since it is larger than the sum of its proper divisors (1).

52515473 is an equidigital number, since it uses as much as digits as its factorization.

52515473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 32.

The square root of 52515473 is about 7246.7560328743. The cubic root of 52515473 is about 374.4804015643.

Adding to 52515473 its reverse (37451525), we get a palindrome (89966998).

The spelling of 52515473 in words is "fifty-two million, five hundred fifteen thousand, four hundred seventy-three".