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25097077 is a prime number
BaseRepresentation
bin101111110111…
…1001101110101
31202020001201101
41133233031311
522411101302
62253530101
7423215215
oct137571565
952201641
1025097077
1113191895
1284a3931
135279455
143494245
15230b287
hex17ef375

25097077 has 2 divisors, whose sum is σ = 25097078. Its totient is φ = 25097076.

The previous prime is 25097057. The next prime is 25097087. The reversal of 25097077 is 77079052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22410756 + 2686321 = 4734^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 25097077 - 219 = 24572789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25097027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12548538 + 12548539.

It is an arithmetic number, because the mean of its divisors is an integer number (12548539).

Almost surely, 225097077 is an apocalyptic number.

It is an amenable number.

25097077 is a deficient number, since it is larger than the sum of its proper divisors (1).

25097077 is an equidigital number, since it uses as much as digits as its factorization.

25097077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 25097077 is about 5009.6982943088. The cubic root of 25097077 is about 292.7797581548.

The spelling of 25097077 in words is "twenty-five million, ninety-seven thousand, seventy-seven".