1523203252 has 12 divisors (see below), whose sum is σ = 2715900516. Its totient is φ = 747231680.

The previous prime is 1523203223. The next prime is 1523203261. The reversal of 1523203252 is 2523023251.

It can be written as a sum of positive squares in 2 ways, for example, as 673713936 + 849489316 = 25956^2 + 29146^2 .

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, 3592249 + ... + 3592672.

It is an arithmetic number, because the mean of its divisors is an integer number (226325043).

Almost surely, 2^1523203252 is an apocalyptic number.

It is an amenable number.

1523203252 is a deficient number, since it is larger than the sum of its proper divisors (1192697264).

1523203252 is a wasteful number, since it uses less digits than its factorization.

1523203252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184978 (or 7184976 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1523203252 is about 39028.2365986474. The cubic root of 1523203252 is about 1150.5865318036.

The spelling of 1523203252 in words is "one billion, five hundred twenty-three million, two hundred three thousand, two hundred fifty-two".