69250513 has 2 divisors, whose sum is σ = 69250514. Its totient is φ = 69250512.

The previous prime is 69250487. The next prime is 69250547. The reversal of 69250513 is 31505296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58798224 + 10452289 = 7668^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 69250513 - 2²⁵ = 35696081 is a prime.

It is not a weakly prime, because it can be changed into another prime (69250583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34625256 + 34625257.

It is an arithmetic number, because the mean of its divisors is an integer number (34625257).

Almost surely, 2^69250513 is an apocalyptic number.

It is an amenable number.

69250513 is a deficient number, since it is larger than the sum of its proper divisors (1).

69250513 is an equidigital number, since it uses as much as digits as its factorization.

69250513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 69250513 is about 8321.6893116722. The cubic root of 69250513 is about 410.6523681416.

The spelling of 69250513 in words is "sixty-nine million, two hundred fifty thousand, five hundred thirteen".