254252390 has 32 divisors (see below), whose sum is σ = 539910144. Its totient is φ = 84359520.

The previous prime is 254252389. The next prime is 254252399. The reversal of 254252390 is 93252452.

254252390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254252399) 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, 56414 + ... + 60753.

It is an arithmetic number, because the mean of its divisors is an integer number (16872192).

Almost surely, 2^254252390 is an apocalyptic number.

254252390 is an abundant number, since it is smaller than the sum of its proper divisors (285657754).

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

254252390 is a wasteful number, since it uses less digits than its factorization.

254252390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117212.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 254252390 is about 15945.2936630217. The cubic root of 254252390 is about 633.5122464677.

The spelling of 254252390 in words is "two hundred fifty-four million, two hundred fifty-two thousand, three hundred ninety".