251472119 has 2 divisors, whose sum is σ = 251472120. Its totient is φ = 251472118.

The previous prime is 251472113. The next prime is 251472139. The reversal of 251472119 is 911274152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251472119 - 2⁴ = 251472103 is a prime.

It is a super-2 number, since 2×251472119² = 126476453268700322, which contains 22 as substring.

It is equal to p_13755524 and since 251472119 and 13755524 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251472113) by changing a digit.

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 as a sum of consecutive naturals, namely, 125736059 + 125736060.

It is an arithmetic number, because the mean of its divisors is an integer number (125736060).

Almost surely, 2^251472119 is an apocalyptic number.

251472119 is a deficient number, since it is larger than the sum of its proper divisors (1).

251472119 is an equidigital number, since it uses as much as digits as its factorization.

251472119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 251472119 is about 15857.8724613360. The cubic root of 251472119 is about 631.1946082951.

The spelling of 251472119 in words is "two hundred fifty-one million, four hundred seventy-two thousand, one hundred nineteen".