1011533252 has 12 divisors (see below), whose sum is σ = 1874311740. Its totient is φ = 476015616.

The previous prime is 1011533221. The next prime is 1011533273. The reversal of 1011533252 is 2523351101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 566154436 + 445378816 = 23794^2 + 21104^2 .

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, 7437677 + ... + 7437812.

It is an arithmetic number, because the mean of its divisors is an integer number (156192645).

Almost surely, 2^1011533252 is an apocalyptic number.

It is an amenable number.

1011533252 is a deficient number, since it is larger than the sum of its proper divisors (862778488).

1011533252 is a wasteful number, since it uses less digits than its factorization.

1011533252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14875510 (or 14875508 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1011533252 is about 31804.6105462714. The cubic root of 1011533252 is about 1003.8297317646.

Adding to 1011533252 its reverse (2523351101), we get a palindrome (3534884353).

The spelling of 1011533252 in words is "one billion, eleven million, five hundred thirty-three thousand, two hundred fifty-two".