69475013 has 2 divisors, whose sum is σ = 69475014. Its totient is φ = 69475012.

The previous prime is 69475009. The next prime is 69475031. The reversal of 69475013 is 31057496.

Together with next prime (69475031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65966884 + 3508129 = 8122^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 69475013 - 2² = 69475009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69475313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34737506 + 34737507.

It is an arithmetic number, because the mean of its divisors is an integer number (34737507).

Almost surely, 2^69475013 is an apocalyptic number.

It is an amenable number.

69475013 is a deficient number, since it is larger than the sum of its proper divisors (1).

69475013 is an equidigital number, since it uses as much as digits as its factorization.

69475013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 69475013 is about 8335.1672448728. The cubic root of 69475013 is about 411.0956477072.

The spelling of 69475013 in words is "sixty-nine million, four hundred seventy-five thousand, thirteen".