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1025355031 is a prime number
BaseRepresentation
bin111101000111011…
…010110100010111
32122110101102200021
4331013122310113
54044442330111
6245424530011
734260242161
oct7507326427
92573342607
101025355031
11486871458
12247480907
13134576b6c
149a26b931
156003dd71
hex3d1dad17

1025355031 has 2 divisors, whose sum is σ = 1025355032. Its totient is φ = 1025355030.

The previous prime is 1025354971. The next prime is 1025355047. The reversal of 1025355031 is 1305535201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025355031 - 217 = 1025223959 is a prime.

It is a super-2 number, since 2×10253550312 = 2102705879194021922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025354987 and 1025355005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025359031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512677515 + 512677516.

It is an arithmetic number, because the mean of its divisors is an integer number (512677516).

Almost surely, 21025355031 is an apocalyptic number.

1025355031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025355031 is an equidigital number, since it uses as much as digits as its factorization.

1025355031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1025355031 is about 32021.1653598054. The cubic root of 1025355031 is about 1008.3812356422.

The spelling of 1025355031 in words is "one billion, twenty-five million, three hundred fifty-five thousand, thirty-one".