1011533253 has 8 divisors (see below), whose sum is σ = 1395218400. Its totient is φ = 651101808.

The previous prime is 1011533221. The next prime is 1011533273. The reversal of 1011533253 is 3523351101.

1011533253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011533253 - 2⁵ = 1011533221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011533203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5813323 + ... + 5813496.

It is an arithmetic number, because the mean of its divisors is an integer number (174402300).

Almost surely, 2^1011533253 is an apocalyptic number.

It is an amenable number.

1011533253 is a deficient number, since it is larger than the sum of its proper divisors (383685147).

1011533253 is a wasteful number, since it uses less digits than its factorization.

1011533253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11626851.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1011533253 is about 31804.6105619924. The cubic root of 1011533253 is about 1003.8297320954.

Adding to 1011533253 its reverse (3523351101), we get a palindrome (4534884354).

The spelling of 1011533253 in words is "one billion, eleven million, five hundred thirty-three thousand, two hundred fifty-three".