287425152 has 192 divisors, whose sum is σ = 978465600. Its totient is φ = 81368064.

The previous prime is 287425121. The next prime is 287425157. The reversal of 287425152 is 251524782.

It is a happy number.

287425152 is a `hidden beast` number, since 2 + 87 + 425 + 152 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×287425152² = 165226436004446208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (287425157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2636874 + ... + 2636982.

It is an arithmetic number, because the mean of its divisors is an integer number (5096175).

Almost surely, 2^287425152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287425152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489232800).

287425152 is an abundant number, since it is smaller than the sum of its proper divisors (691040448).

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

287425152 is an equidigital number, since it uses as much as digits as its factorization.

287425152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 121 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 287425152 is about 16953.6176670350. The cubic root of 287425152 is about 659.9457806699.

The spelling of 287425152 in words is "two hundred eighty-seven million, four hundred twenty-five thousand, one hundred fifty-two".