7775252 has 12 divisors (see below), whose sum is σ = 13635636. Its totient is φ = 3879360.

The previous prime is 7775231. The next prime is 7775269. The reversal of 7775252 is 2525777.

It can be written as a sum of positive squares in 2 ways, for example, as 2775556 + 4999696 = 1666^2 + 2236^2 .

It is a congruent number.

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, 368 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (1136303).

Almost surely, 2^7775252 is an apocalyptic number.

It is an amenable number.

7775252 is a deficient number, since it is larger than the sum of its proper divisors (5860384).

7775252 is a wasteful number, since it uses less digits than its factorization.

7775252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4136 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 7775252 is about 2788.4138860650. The cubic root of 7775252 is about 198.1092822568.

It can be divided in two parts, 777 and 5252, that multiplied together give a palindrome (4080804).

The spelling of 7775252 in words is "seven million, seven hundred seventy-five thousand, two hundred fifty-two".