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25260757 is a prime number
BaseRepresentation
bin110000001011…
…1001011010101
31202112101020121
41200113023111
522431321012
62301231541
7424466344
oct140271325
952471217
1025260757
1113293865
1285625b1
135305ac2
1434d7b5b
15233ea07
hex18172d5

25260757 has 2 divisors, whose sum is σ = 25260758. Its totient is φ = 25260756.

The previous prime is 25260749. The next prime is 25260773. The reversal of 25260757 is 75706252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25260676 + 81 = 5026^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 25260757 - 23 = 25260749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25260707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12630378 + 12630379.

It is an arithmetic number, because the mean of its divisors is an integer number (12630379).

Almost surely, 225260757 is an apocalyptic number.

It is an amenable number.

25260757 is a deficient number, since it is larger than the sum of its proper divisors (1).

25260757 is an equidigital number, since it uses as much as digits as its factorization.

25260757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 25260757 is about 5026.0080580914. The cubic root of 25260757 is about 293.4148704404.

It can be divided in two parts, 252 and 60757, that added together give a square (61009 = 2472).

The spelling of 25260757 in words is "twenty-five million, two hundred sixty thousand, seven hundred fifty-seven".