240478951 has 2 divisors, whose sum is σ = 240478952. Its totient is φ = 240478950.

The previous prime is 240478943. The next prime is 240479011. The reversal of 240478951 is 159874042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240478951 - 2³ = 240478943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240478921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120239475 + 120239476.

It is an arithmetic number, because the mean of its divisors is an integer number (120239476).

Almost surely, 2^240478951 is an apocalyptic number.

240478951 is a deficient number, since it is larger than the sum of its proper divisors (1).

240478951 is an equidigital number, since it uses as much as digits as its factorization.

240478951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 240478951 is about 15507.3837574234. The cubic root of 240478951 is about 621.8596187571.

The spelling of 240478951 in words is "two hundred forty million, four hundred seventy-eight thousand, nine hundred fifty-one".