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30525497 is a prime number
BaseRepresentation
bin111010001110…
…0100000111001
32010102212002222
41310130200321
530303303442
63010133425
7520314422
oct164344071
963385088
1030525497
111625a292
12a281275
13642a232
1440a8649
152a2e8d2
hex1d1c839

30525497 has 2 divisors, whose sum is σ = 30525498. Its totient is φ = 30525496.

The previous prime is 30525493. The next prime is 30525503. The reversal of 30525497 is 79452503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28079401 + 2446096 = 5299^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 30525497 - 22 = 30525493 is a prime.

It is a Chen prime.

It is equal to p1888406 and since 30525497 and 1888406 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30525493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15262748 + 15262749.

It is an arithmetic number, because the mean of its divisors is an integer number (15262749).

Almost surely, 230525497 is an apocalyptic number.

It is an amenable number.

30525497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30525497 is an equidigital number, since it uses as much as digits as its factorization.

30525497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 30525497 is about 5524.9884162774. The cubic root of 30525497 is about 312.5270274224.

The spelling of 30525497 in words is "thirty million, five hundred twenty-five thousand, four hundred ninety-seven".