251463464 has 16 divisors (see below), whose sum is σ = 538850400. Its totient is φ = 107770032.

The previous prime is 251463427. The next prime is 251463467. The reversal of 251463464 is 464364152.

251463464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (251463467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245154 + ... + 2245265.

It is an arithmetic number, because the mean of its divisors is an integer number (33678150).

Almost surely, 2^251463464 is an apocalyptic number.

It is an amenable number.

251463464 is an abundant number, since it is smaller than the sum of its proper divisors (287386936).

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

251463464 is a wasteful number, since it uses less digits than its factorization.

251463464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490432 (or 4490428 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 251463464 is about 15857.5995661386. The cubic root of 251463464 is about 631.1873668668.

The spelling of 251463464 in words is "two hundred fifty-one million, four hundred sixty-three thousand, four hundred sixty-four".