1265534252 has 12 divisors (see below), whose sum is σ = 2215285296. Its totient is φ = 632595600.

The previous prime is 1265534239. The next prime is 1265534279. The reversal of 1265534252 is 2524355621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25499 + ... + 56402.

It is an arithmetic number, because the mean of its divisors is an integer number (184607108).

Almost surely, 2^1265534252 is an apocalyptic number.

It is an amenable number.

1265534252 is a deficient number, since it is larger than the sum of its proper divisors (949751044).

1265534252 is a wasteful number, since it uses less digits than its factorization.

1265534252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85768 (or 85766 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 1265534252 is about 35574.3482301503. The cubic root of 1265534252 is about 1081.6613240234.

Adding to 1265534252 its reverse (2524355621), we get a palindrome (3789889873).

The spelling of 1265534252 in words is "one billion, two hundred sixty-five million, five hundred thirty-four thousand, two hundred fifty-two".