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525222479 is a prime number
BaseRepresentation
bin11111010011100…
…100001001001111
31100121022001210102
4133103210021033
52033424104404
6124041201315
716005213605
oct3723441117
91317261712
10525222479
1124a524471
12127a9023b
1384a76642
144da7d875
153119b71e
hex1f4e424f

525222479 has 2 divisors, whose sum is σ = 525222480. Its totient is φ = 525222478.

The previous prime is 525222473. The next prime is 525222539. The reversal of 525222479 is 974222525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525222479 - 28 = 525222223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525222473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262611239 + 262611240.

It is an arithmetic number, because the mean of its divisors is an integer number (262611240).

Almost surely, 2525222479 is an apocalyptic number.

525222479 is a deficient number, since it is larger than the sum of its proper divisors (1).

525222479 is an equidigital number, since it uses as much as digits as its factorization.

525222479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 525222479 is about 22917.7328503497. The cubic root of 525222479 is about 806.8282605675.

The spelling of 525222479 in words is "five hundred twenty-five million, two hundred twenty-two thousand, four hundred seventy-nine".