253484187 has 32 divisors (see below), whose sum is σ = 391776000. Its totient is φ = 144167040.

The previous prime is 253484141. The next prime is 253484201. The reversal of 253484187 is 781484352.

It is not a de Polignac number, because 253484187 - 2¹⁴ = 253467803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253484137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66489 + ... + 70197.

It is an arithmetic number, because the mean of its divisors is an integer number (12243000).

Almost surely, 2^253484187 is an apocalyptic number.

253484187 is a deficient number, since it is larger than the sum of its proper divisors (138291813).

253484187 is a wasteful number, since it uses less digits than its factorization.

253484187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its digits is 215040, while the sum is 42.

The square root of 253484187 is about 15921.1867334065. The cubic root of 253484187 is about 632.8735674851.

The spelling of 253484187 in words is "two hundred fifty-three million, four hundred eighty-four thousand, one hundred eighty-seven".