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7025961 = 32341987
BaseRepresentation
bin11010110011010100101001
3111012221210210
4122303110221
53244312321
6410331333
7113501565
oct32632451
914187723
107025961
113a69788
122429b49
1315bcc97
14d0c6a5
1593bb76
hex6b3529

7025961 has 4 divisors (see below), whose sum is σ = 9367952. Its totient is φ = 4683972.

The previous prime is 7025957. The next prime is 7025969. The reversal of 7025961 is 1695207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1695207 = 3565069.

It is not a de Polignac number, because 7025961 - 22 = 7025957 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7025969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170991 + ... + 1170996.

It is an arithmetic number, because the mean of its divisors is an integer number (2341988).

Almost surely, 27025961 is an apocalyptic number.

It is an amenable number.

7025961 is a deficient number, since it is larger than the sum of its proper divisors (2341991).

7025961 is a wasteful number, since it uses less digits than its factorization.

7025961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341990.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 7025961 is about 2650.6529384286. The cubic root of 7025961 is about 191.5293103680.

The spelling of 7025961 in words is "seven million, twenty-five thousand, nine hundred sixty-one".

Divisors: 1 3 2341987 7025961