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3250025 = 52711831
BaseRepresentation
bin1100011001011101101001
320010010012022
430121131221
51313000100
6153354225
736424202
oct14313551
96103168
103250025
11191a879
121108975
1389a3bc
146085a9
15442e85
hex319769

3250025 has 12 divisors (see below), whose sum is σ = 4089024. Its totient is φ = 2562000.

The previous prime is 3250021. The next prime is 3250063. The reversal of 3250025 is 5200523.

It is not a de Polignac number, because 3250025 - 22 = 3250021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3249985 and 3250012.

It is not an unprimeable number, because it can be changed into a prime (3250021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 860 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (340752).

Almost surely, 23250025 is an apocalyptic number.

It is an amenable number.

3250025 is a deficient number, since it is larger than the sum of its proper divisors (838999).

3250025 is a wasteful number, since it uses less digits than its factorization.

3250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 3250025 is about 1802.7825714711. The cubic root of 3250025 is about 148.1251832266.

Adding to 3250025 its reverse (5200523), we get a palindrome (8450548).

The spelling of 3250025 in words is "three million, two hundred fifty thousand, twenty-five".

Divisors: 1 5 25 71 355 1775 1831 9155 45775 130001 650005 3250025