253133061 has 4 divisors (see below), whose sum is σ = 337510752. Its totient is φ = 168755372.

The previous prime is 253133053. The next prime is 253133071. The reversal of 253133061 is 160331352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253133061 - 2³ = 253133053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253133071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42188841 + ... + 42188846.

It is an arithmetic number, because the mean of its divisors is an integer number (84377688).

Almost surely, 2^253133061 is an apocalyptic number.

It is an amenable number.

253133061 is a deficient number, since it is larger than the sum of its proper divisors (84377691).

253133061 is an equidigital number, since it uses as much as digits as its factorization.

253133061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84377690.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 253133061 is about 15910.1559074699. The cubic root of 253133061 is about 632.5812138786.

The spelling of 253133061 in words is "two hundred fifty-three million, one hundred thirty-three thousand, sixty-one".