252754570729 has 4 divisors (see below), whose sum is σ = 254024694400. Its totient is φ = 251484447060.

The previous prime is 252754570727. The next prime is 252754570741. The reversal of 252754570729 is 927075457252.

It is a happy number.

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 not a de Polignac number, because 252754570729 - 2¹ = 252754570727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252754570729.

It is not an unprimeable number, because it can be changed into a prime (252754570727) 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, 635061537 + ... + 635061934.

It is an arithmetic number, because the mean of its divisors is an integer number (63506173600).

Almost surely, 2^252754570729 is an apocalyptic number.

It is an amenable number.

252754570729 is a deficient number, since it is larger than the sum of its proper divisors (1270123671).

252754570729 is a wasteful number, since it uses less digits than its factorization.

252754570729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270123670.

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 252754570729 in words is "two hundred fifty-two billion, seven hundred fifty-four million, five hundred seventy thousand, seven hundred twenty-nine".