251484130 has 32 divisors (see below), whose sum is σ = 462827520. Its totient is φ = 98360640.

The previous prime is 251484091. The next prime is 251484157. The reversal of 251484130 is 31484152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88776 + ... + 91564.

It is an arithmetic number, because the mean of its divisors is an integer number (14463360).

Almost surely, 2^251484130 is an apocalyptic number.

251484130 is a deficient number, since it is larger than the sum of its proper divisors (211343390).

251484130 is a wasteful number, since it uses less digits than its factorization.

251484130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 251484130 is about 15858.2511646146. The cubic root of 251484130 is about 631.2046573319.

The spelling of 251484130 in words is "two hundred fifty-one million, four hundred eighty-four thousand, one hundred thirty".