253133450 has 12 divisors (see below), whose sum is σ = 470828310. Its totient is φ = 101253360.

The previous prime is 253133411. The next prime is 253133453. The reversal of 253133450 is 54331352.

It can be written as a sum of positive squares in 3 ways, for example, as 247653169 + 5480281 = 15737^2 + 2341^2 .

It is not an unprimeable number, because it can be changed into a prime (253133453) 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, 2531285 + ... + 2531384.

Almost surely, 2^253133450 is an apocalyptic number.

253133450 is a deficient number, since it is larger than the sum of its proper divisors (217694860).

253133450 is a wasteful number, since it uses less digits than its factorization.

253133450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062681 (or 5062676 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 253133450 is about 15910.1681323611. The cubic root of 253133450 is about 632.5815379163.

The spelling of 253133450 in words is "two hundred fifty-three million, one hundred thirty-three thousand, four hundred fifty".