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25330957 = 47952883
BaseRepresentation
bin110000010100…
…0010100001101
31202122221112121
41200220110031
522441042312
62302532541
7425211121
oct140502415
952587477
1025330957
1113331583
128597151
13532ba42
143515581
152355707
hex182850d

25330957 has 4 divisors (see below), whose sum is σ = 25384320. Its totient is φ = 25277596.

The previous prime is 25330931. The next prime is 25330961. The reversal of 25330957 is 75903352.

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.

It is a cyclic number.

It is not a de Polignac number, because 25330957 - 211 = 25328909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330157) 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, 25963 + ... + 26920.

It is an arithmetic number, because the mean of its divisors is an integer number (6346080).

Almost surely, 225330957 is an apocalyptic number.

It is an amenable number.

25330957 is a deficient number, since it is larger than the sum of its proper divisors (53363).

25330957 is an equidigital number, since it uses as much as digits as its factorization.

25330957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53362.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 25330957 is about 5032.9868865317. The cubic root of 25330957 is about 293.6864204030.

The spelling of 25330957 in words is "twenty-five million, three hundred thirty thousand, nine hundred fifty-seven".

Divisors: 1 479 52883 25330957