252025517 has 2 divisors, whose sum is σ = 252025518. Its totient is φ = 252025516.

The previous prime is 252025511. The next prime is 252025583. The reversal of 252025517 is 715520252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186431716 + 65593801 = 13654^2 + 8099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252025517 is a prime.

It is a super-2 number, since 2×252025517² = 127033722438234578, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252025517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252025511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126012758 + 126012759.

It is an arithmetic number, because the mean of its divisors is an integer number (126012759).

Almost surely, 2^252025517 is an apocalyptic number.

It is an amenable number.

252025517 is a deficient number, since it is larger than the sum of its proper divisors (1).

252025517 is an equidigital number, since it uses as much as digits as its factorization.

252025517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 252025517 is about 15875.3115559979. The cubic root of 252025517 is about 631.6572784307.

Adding to 252025517 its reverse (715520252), we get a palindrome (967545769).

The spelling of 252025517 in words is "two hundred fifty-two million, twenty-five thousand, five hundred seventeen".