253572147 has 16 divisors (see below), whose sum is σ = 382032000. Its totient is φ = 166181832.

The previous prime is 253572139. The next prime is 253572197. The reversal of 253572147 is 741275352.

It is not a de Polignac number, because 253572147 - 2³ = 253572139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253572197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77997 + ... + 81182.

It is an arithmetic number, because the mean of its divisors is an integer number (23877000).

Almost surely, 2^253572147 is an apocalyptic number.

253572147 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

253572147 is a deficient number, since it is larger than the sum of its proper divisors (128459853).

253572147 is a wasteful number, since it uses less digits than its factorization.

253572147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159247 (or 159241 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 253572147 is about 15923.9488507091. The cubic root of 253572147 is about 632.9467622170.

The spelling of 253572147 in words is "two hundred fifty-three million, five hundred seventy-two thousand, one hundred forty-seven".