1022503652 has 6 divisors (see below), whose sum is σ = 1789381398. Its totient is φ = 511251824.

The previous prime is 1022503649. The next prime is 1022503661. The reversal of 1022503652 is 2563052201.

It can be written as a sum of positive squares in only one way, i.e., 1009078756 + 13424896 = 31766^2 + 3664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127812953 + ... + 127812960.

It is an arithmetic number, because the mean of its divisors is an integer number (298230233).

Almost surely, 2^1022503652 is an apocalyptic number.

It is an amenable number.

1022503652 is a deficient number, since it is larger than the sum of its proper divisors (766877746).

1022503652 is a wasteful number, since it uses less digits than its factorization.

1022503652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255625917 (or 255625915 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1022503652 is about 31976.6110149278. The cubic root of 1022503652 is about 1007.4456421567.

Adding to 1022503652 its reverse (2563052201), we get a palindrome (3585555853).

The spelling of 1022503652 in words is "one billion, twenty-two million, five hundred three thousand, six hundred fifty-two".