69397253 has 4 divisors (see below), whose sum is σ = 73049760. Its totient is φ = 65744748.

The previous prime is 69397249. The next prime is 69397277. The reversal of 69397253 is 35279396.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69397253 - 2² = 69397249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69397283) 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 in 3 ways as a sum of consecutive naturals, for example, 1826225 + ... + 1826262.

It is an arithmetic number, because the mean of its divisors is an integer number (18262440).

Almost surely, 2^69397253 is an apocalyptic number.

It is an amenable number.

69397253 is a deficient number, since it is larger than the sum of its proper divisors (3652507).

69397253 is a wasteful number, since it uses less digits than its factorization.

69397253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652506.

The product of its digits is 306180, while the sum is 44.

The square root of 69397253 is about 8330.5013654641. The cubic root of 69397253 is about 410.9422173351.

The spelling of 69397253 in words is "sixty-nine million, three hundred ninety-seven thousand, two hundred fifty-three".