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25212701 is a prime number
BaseRepresentation
bin110000000101…
…1011100011101
31202102221022202
41200023130131
522423301301
62300221245
7424206263
oct140133435
952387282
1025212701
1113260748
12853a825
1352b9c77
1434c4433
15233066b
hex180b71d

25212701 has 2 divisors, whose sum is σ = 25212702. Its totient is φ = 25212700.

The previous prime is 25212689. The next prime is 25212713. The reversal of 25212701 is 10721252.

It is a balanced prime because it is at equal distance from previous prime (25212689) and next prime (25212713).

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 1104601 = 4910^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 25212701 - 26 = 25212637 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12606350 + 12606351.

It is an arithmetic number, because the mean of its divisors is an integer number (12606351).

Almost surely, 225212701 is an apocalyptic number.

It is an amenable number.

25212701 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212701 is an equidigital number, since it uses as much as digits as its factorization.

25212701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 25212701 is about 5021.2250497264. The cubic root of 25212701 is about 293.2286884248.

Adding to 25212701 its reverse (10721252), we get a palindrome (35933953).

The spelling of 25212701 in words is "twenty-five million, two hundred twelve thousand, seven hundred one".