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130425221 is a prime number
BaseRepresentation
bin1111100011000…
…10000110000101
3100002102021202202
413301202012011
5231342101341
620535244245
73142411313
oct761420605
9302367682
10130425221
1167692443
1237819685
13210371b4
14134710b3
15b6b479b
hex7c62185

130425221 has 2 divisors, whose sum is σ = 130425222. Its totient is φ = 130425220.

The previous prime is 130425199. The next prime is 130425227. The reversal of 130425221 is 122524031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103530625 + 26894596 = 10175^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 130425221 - 210 = 130424197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130425193 and 130425202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130425227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65212610 + 65212611.

It is an arithmetic number, because the mean of its divisors is an integer number (65212611).

Almost surely, 2130425221 is an apocalyptic number.

It is an amenable number.

130425221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130425221 is an equidigital number, since it uses as much as digits as its factorization.

130425221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130425221 is about 11420.3862018760. The cubic root of 130425221 is about 507.1314298367.

Adding to 130425221 its reverse (122524031), we get a palindrome (252949252).

The spelling of 130425221 in words is "one hundred thirty million, four hundred twenty-five thousand, two hundred twenty-one".