253530162 has 54 divisors (see below), whose sum is σ = 574547103. Its totient is φ = 83902068.

The previous prime is 253530157. The next prime is 253530169. The reversal of 253530162 is 261035352.

It can be written as a sum of positive squares in only one way, i.e., 126765081 + 126765081 = 11259^2 + 11259^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11259.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (253530169) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1823889 + ... + 1824027.

Almost surely, 2^253530162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253530162

253530162 is an abundant number, since it is smaller than the sum of its proper divisors (321016941).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253530162 is an frugal number, since it uses more digits than its factorization.

253530162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 253530162 is about 15922.6304987587. The cubic root of 253530162 is about 632.9118270753.

The spelling of 253530162 in words is "two hundred fifty-three million, five hundred thirty thousand, one hundred sixty-two".