2507825 has 6 divisors (see below), whose sum is σ = 3109734. Its totient is φ = 2006240.

The previous prime is 2507821. The next prime is 2507837. The reversal of 2507825 is 5287052.

It can be written as a sum of positive squares in 3 ways, for example, as 1936 + 2505889 = 44^2 + 1583^2 .

It is not a de Polignac number, because 2507825 - 2² = 2507821 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 5² + 0 + 7⁵ + 8⁶ + 2²¹ + 5⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2507821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50132 + ... + 50181.

It is an arithmetic number, because the mean of its divisors is an integer number (518289).

2^2507825 is an apocalyptic number.

2507825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2507825 is a deficient number, since it is larger than the sum of its proper divisors (601909).

2507825 is a wasteful number, since it uses less digits than its factorization.

2507825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100323 (or 100318 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2507825 is about 1583.6113790953. The cubic root of 2507825 is about 135.8623354669.

The spelling of 2507825 in words is "two million, five hundred seven thousand, eight hundred twenty-five".