252628072007 has 4 divisors (see below), whose sum is σ = 255466589760. Its totient is φ = 249789554256.

The previous prime is 252628071979. The next prime is 252628072019. The reversal of 252628072007 is 700270826252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252628072007 - 2³⁴ = 235448202823 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 (252628072507) 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, 1419258743 + ... + 1419258920.

It is an arithmetic number, because the mean of its divisors is an integer number (63866647440).

Almost surely, 2^252628072007 is an apocalyptic number.

252628072007 is a deficient number, since it is larger than the sum of its proper divisors (2838517753).

252628072007 is an equidigital number, since it uses as much as digits as its factorization.

252628072007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838517752.

The product of its (nonzero) digits is 188160, while the sum is 41.

Adding to 252628072007 its reverse (700270826252), we get a palindrome (952898898259).

The spelling of 252628072007 in words is "two hundred fifty-two billion, six hundred twenty-eight million, seventy-two thousand, seven".