1525025010217 has 2 divisors, whose sum is σ = 1525025010218. Its totient is φ = 1525025010216.

The previous prime is 1525025010203. The next prime is 1525025010233. The reversal of 1525025010217 is 7120105205251.

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., 904051065856 + 620973944361 = 950816^2 + 788019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1525025010217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1525025013217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762512505108 + 762512505109.

It is an arithmetic number, because the mean of its divisors is an integer number (762512505109).

Almost surely, 2^{1525025010217} is an apocalyptic number.

It is an amenable number.

1525025010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525025010217 is an equidigital number, since it uses as much as digits as its factorization.

1525025010217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 31.

The spelling of 1525025010217 in words is "one trillion, five hundred twenty-five billion, twenty-five million, ten thousand, two hundred seventeen".