69424997 has 2 divisors, whose sum is σ = 69424998. Its totient is φ = 69424996.

The previous prime is 69424973. The next prime is 69425003. The reversal of 69424997 is 79942496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59382436 + 10042561 = 7706^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 69424997 - 2¹⁶ = 69359461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69424897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34712498 + 34712499.

It is an arithmetic number, because the mean of its divisors is an integer number (34712499).

Almost surely, 2^69424997 is an apocalyptic number.

It is an amenable number.

69424997 is a deficient number, since it is larger than the sum of its proper divisors (1).

69424997 is an equidigital number, since it uses as much as digits as its factorization.

69424997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 69424997 is about 8332.1664049634. The cubic root of 69424997 is about 410.9969729217.

The spelling of 69424997 in words is "sixty-nine million, four hundred twenty-four thousand, nine hundred ninety-seven".