252197281469 has 8 divisors (see below), whose sum is σ = 293663681280. Its totient is φ = 212090435856.

The previous prime is 252197281463. The next prime is 252197281541. The reversal of 252197281469 is 964182791252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252197281469 - 2³⁶ = 183477804733 is a prime.

It is a super-2 number, since 2×252197281469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252197281463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339888149 + ... + 339888890.

It is an arithmetic number, because the mean of its divisors is an integer number (36707960160).

Almost surely, 2^252197281469 is an apocalyptic number.

It is an amenable number.

252197281469 is a deficient number, since it is larger than the sum of its proper divisors (41466399811).

252197281469 is an equidigital number, since it uses as much as digits as its factorization.

252197281469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679777099.

The product of its digits is 4354560, while the sum is 56.

The spelling of 252197281469 in words is "two hundred fifty-two billion, one hundred ninety-seven million, two hundred eighty-one thousand, four hundred sixty-nine".