1625252 has 6 divisors (see below), whose sum is σ = 2844198. Its totient is φ = 812624.

The previous prime is 1625227. The next prime is 1625257. The reversal of 1625252 is 2525261.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 27556 = 1264^2 + 166^2 .

It is not an unprimeable number, because it can be changed into a prime (1625257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203153 + ... + 203160.

It is an arithmetic number, because the mean of its divisors is an integer number (474033).

2^1625252 is an apocalyptic number.

It is an amenable number.

1625252 is a deficient number, since it is larger than the sum of its proper divisors (1218946).

1625252 is a wasteful number, since it uses less digits than its factorization.

1625252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406317 (or 406315 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1625252 is about 1274.8537170986. The cubic root of 1625252 is about 117.5728113677.

Subtracting 1625252 from its reverse (2525261), we obtain a palindrome (900009).

The spelling of 1625252 in words is "one million, six hundred twenty-five thousand, two hundred fifty-two".