253434270 has 16 divisors (see below), whose sum is σ = 608242320. Its totient is φ = 67582464.

The previous prime is 253434257. The next prime is 253434299. The reversal of 253434270 is 72434352.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8447809 = 253434270 / (2 + 5 + 3 + 4 + 3 + 4 + 2 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4223875 + ... + 4223934.

It is an arithmetic number, because the mean of its divisors is an integer number (38015145).

Almost surely, 2^253434270 is an apocalyptic number.

253434270 is an abundant number, since it is smaller than the sum of its proper divisors (354808050).

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

253434270 is a wasteful number, since it uses less digits than its factorization.

253434270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447819.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 253434270 is about 15919.6190281049. The cubic root of 253434270 is about 632.8320221930.

The spelling of 253434270 in words is "two hundred fifty-three million, four hundred thirty-four thousand, two hundred seventy".