52615603 has 2 divisors, whose sum is σ = 52615604. Its totient is φ = 52615602.

The previous prime is 52615597. The next prime is 52615621. The reversal of 52615603 is 30651625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52615603 - 2²¹ = 50518451 is a prime.

It is not a weakly prime, because it can be changed into another prime (52615103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26307801 + 26307802.

It is an arithmetic number, because the mean of its divisors is an integer number (26307802).

Almost surely, 2^52615603 is an apocalyptic number.

52615603 is a deficient number, since it is larger than the sum of its proper divisors (1).

52615603 is an equidigital number, since it uses as much as digits as its factorization.

52615603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 52615603 is about 7253.6613513453. The cubic root of 52615603 is about 374.7182547423.

It can be divided in two parts, 526 and 15603, that added together give a square (16129 = 127²).

The spelling of 52615603 in words is "fifty-two million, six hundred fifteen thousand, six hundred three".