69120253 has 4 divisors (see below), whose sum is σ = 71503740. Its totient is φ = 66736768.

The previous prime is 69120239. The next prime is 69120263. The reversal of 69120253 is 35202196.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42680089 + 26440164 = 6533^2 + 5142^2 .

It is a cyclic number.

It is not a de Polignac number, because 69120253 - 2¹⁷ = 68989181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69120263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191700 + ... + 1191757.

It is an arithmetic number, because the mean of its divisors is an integer number (17875935).

Almost surely, 2^69120253 is an apocalyptic number.

It is an amenable number.

69120253 is a deficient number, since it is larger than the sum of its proper divisors (2383487).

69120253 is a wasteful number, since it uses less digits than its factorization.

69120253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383486.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 69120253 is about 8313.8590919019. The cubic root of 69120253 is about 410.3947279239.

The spelling of 69120253 in words is "sixty-nine million, one hundred twenty thousand, two hundred fifty-three".