287325725 has 6 divisors (see below), whose sum is σ = 356283930. Its totient is φ = 229860560.

The previous prime is 287325713. The next prime is 287325791. The reversal of 287325725 is 527523782.

It can be written as a sum of positive squares in 3 ways, for example, as 45616516 + 241709209 = 6754^2 + 15547^2 .

It is not a de Polignac number, because 287325725 - 2¹⁶ = 287260189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5746490 + ... + 5746539.

It is an arithmetic number, because the mean of its divisors is an integer number (59380655).

Almost surely, 2^287325725 is an apocalyptic number.

287325725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

287325725 is a deficient number, since it is larger than the sum of its proper divisors (68958205).

287325725 is a wasteful number, since it uses less digits than its factorization.

287325725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493039 (or 11493034 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 287325725 is about 16950.6850893998. The cubic root of 287325725 is about 659.8696750633.

The spelling of 287325725 in words is "two hundred eighty-seven million, three hundred twenty-five thousand, seven hundred twenty-five".