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25890653 is a prime number
BaseRepresentation
bin110001011000…
…0111101011101
31210201101022002
41202300331131
523112000103
62322532045
7433031645
oct142607535
953641262
1025890653
1113684038
128807025
135496719
14361d525
152416488
hex18b0f5d

25890653 has 2 divisors, whose sum is σ = 25890654. Its totient is φ = 25890652.

The previous prime is 25890629. The next prime is 25890679. The reversal of 25890653 is 35609852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19829209 + 6061444 = 4453^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 25890653 - 212 = 25886557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25890353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12945326 + 12945327.

It is an arithmetic number, because the mean of its divisors is an integer number (12945327).

Almost surely, 225890653 is an apocalyptic number.

It is an amenable number.

25890653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25890653 is an equidigital number, since it uses as much as digits as its factorization.

25890653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25890653 is about 5088.2858606804. The cubic root of 25890653 is about 295.8337154969.

The spelling of 25890653 in words is "twenty-five million, eight hundred ninety thousand, six hundred fifty-three".