1525828201 has 2 divisors, whose sum is σ = 1525828202. Its totient is φ = 1525828200.

The previous prime is 1525828189. The next prime is 1525828229. The reversal of 1525828201 is 1028285251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364563600 + 161264601 = 36940^2 + 12699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525828201 - 2¹¹ = 1525826153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1525898201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762914100 + 762914101.

It is an arithmetic number, because the mean of its divisors is an integer number (762914101).

Almost surely, 2^1525828201 is an apocalyptic number.

It is an amenable number.

1525828201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525828201 is an equidigital number, since it uses as much as digits as its factorization.

1525828201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 1525828201 is about 39061.8509674081. The cubic root of 1525828201 is about 1151.2470909884.

The spelling of 1525828201 in words is "one billion, five hundred twenty-five million, eight hundred twenty-eight thousand, two hundred one".