253747233 has 6 divisors (see below), whose sum is σ = 366523794. Its totient is φ = 169164816.

The previous prime is 253747163. The next prime is 253747267. The reversal of 253747233 is 332747352.

253747233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 160199649 + 93547584 = 12657^2 + 9672^2 .

It is not a de Polignac number, because 253747233 - 2⁹ = 253746721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253740233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14097060 + ... + 14097077.

It is an arithmetic number, because the mean of its divisors is an integer number (61087299).

Almost surely, 2^253747233 is an apocalyptic number.

It is an amenable number.

253747233 is a deficient number, since it is larger than the sum of its proper divisors (112776561).

253747233 is a wasteful number, since it uses less digits than its factorization.

253747233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28194143 (or 28194140 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 253747233 is about 15929.4454705743. The cubic root of 253747233 is about 633.0924073146.

It can be divided in two parts, 2537 and 47233, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 253747233 in words is "two hundred fifty-three million, seven hundred forty-seven thousand, two hundred thirty-three".