253045650 has 192 divisors, whose sum is σ = 755951616. Its totient is φ = 55200000.

The previous prime is 253045643. The next prime is 253045651. The reversal of 253045650 is 56540352.

253045650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (253045651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1008025 + ... + 1008275.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2^253045650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253045650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377975808).

253045650 is an abundant number, since it is smaller than the sum of its proper divisors (502905966).

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

253045650 is a wasteful number, since it uses less digits than its factorization.

253045650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 253045650 is about 15907.4086513172. The cubic root of 253045650 is about 632.5083919377.

The spelling of 253045650 in words is "two hundred fifty-three million, forty-five thousand, six hundred fifty".