254091490 has 8 divisors (see below), whose sum is σ = 457364700. Its totient is φ = 101636592.

The previous prime is 254091479. The next prime is 254091517. The reversal of 254091490 is 94190452.

It can be written as a sum of positive squares in 2 ways, for example, as 253032649 + 1058841 = 15907^2 + 1029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12704565 + ... + 12704584.

Almost surely, 2^254091490 is an apocalyptic number.

254091490 is a deficient number, since it is larger than the sum of its proper divisors (203273210).

254091490 is a wasteful number, since it uses less digits than its factorization.

254091490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409156.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 254091490 is about 15940.2474886684. The cubic root of 254091490 is about 633.3785818702.

The spelling of 254091490 in words is "two hundred fifty-four million, ninety-one thousand, four hundred ninety".