253740536 has 16 divisors (see below), whose sum is σ = 543729840. Its totient is φ = 108745920.

The previous prime is 253740527. The next prime is 253740629. The reversal of 253740536 is 635047352.

253740536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 253740496 and 253740505.

It is a congruent number.

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, 2265485 + ... + 2265596.

It is an arithmetic number, because the mean of its divisors is an integer number (33983115).

Almost surely, 2^253740536 is an apocalyptic number.

It is an amenable number.

253740536 is an abundant number, since it is smaller than the sum of its proper divisors (289989304).

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

253740536 is a wasteful number, since it uses less digits than its factorization.

253740536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531094 (or 4531090 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 253740536 is about 15929.2352609910. The cubic root of 253740536 is about 633.0868376550.

Adding to 253740536 its reverse (635047352), we get a palindrome (888787888).

The spelling of 253740536 in words is "two hundred fifty-three million, seven hundred forty thousand, five hundred thirty-six".