250240825 has 12 divisors (see below), whose sum is σ = 316154988. Its totient is φ = 196414400.

The previous prime is 250240807. The next prime is 250240843. The reversal of 250240825 is 528042052.

It is an interprime number because it is at equal distance from previous prime (250240807) and next prime (250240843).

It can be written as a sum of positive squares in 6 ways, for example, as 64 + 250240761 = 8^2 + 15819^2 .

It is not a de Polignac number, because 250240825 - 2⁹ = 250240313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250240793 and 250240802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93106 + ... + 95755.

It is an arithmetic number, because the mean of its divisors is an integer number (26346249).

Almost surely, 2^250240825 is an apocalyptic number.

250240825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250240825 is a deficient number, since it is larger than the sum of its proper divisors (65914163).

250240825 is a wasteful number, since it uses less digits than its factorization.

250240825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188924 (or 188919 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 250240825 is about 15819.0020228837. The cubic root of 250240825 is about 630.1627403545.

Adding to 250240825 its reverse (528042052), we get a palindrome (778282877).

The spelling of 250240825 in words is "two hundred fifty million, two hundred forty thousand, eight hundred twenty-five".