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25572007 is a prime number
BaseRepresentation
bin110000110001…
…1001010100111
31210010012012101
41201203022213
523021301012
62312032531
7430233646
oct141431247
953105171
1025572007
111348669a
128692747
1353b4686
14357935d
1523a1d57
hex18632a7

25572007 has 2 divisors, whose sum is σ = 25572008. Its totient is φ = 25572006.

The previous prime is 25571911. The next prime is 25572031. The reversal of 25572007 is 70027552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25572007 - 27 = 25571879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25572077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12786003 + 12786004.

It is an arithmetic number, because the mean of its divisors is an integer number (12786004).

Almost surely, 225572007 is an apocalyptic number.

25572007 is a deficient number, since it is larger than the sum of its proper divisors (1).

25572007 is an equidigital number, since it uses as much as digits as its factorization.

25572007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 25572007 is about 5056.8771984299. The cubic root of 25572007 is about 294.6150566562.

Adding to 25572007 its reverse (70027552), we get a palindrome (95599559).

The spelling of 25572007 in words is "twenty-five million, five hundred seventy-two thousand, seven".