52406587 has 2 divisors, whose sum is σ = 52406588. Its totient is φ = 52406586.

The previous prime is 52406537. The next prime is 52406603. The reversal of 52406587 is 78560425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52406587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52406537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26203293 + 26203294.

It is an arithmetic number, because the mean of its divisors is an integer number (26203294).

Almost surely, 2^52406587 is an apocalyptic number.

52406587 is a deficient number, since it is larger than the sum of its proper divisors (1).

52406587 is an equidigital number, since it uses as much as digits as its factorization.

52406587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 52406587 is about 7239.2393937485. The cubic root of 52406587 is about 374.2214055978.

The spelling of 52406587 in words is "fifty-two million, four hundred six thousand, five hundred eighty-seven".