1525734541 has 2 divisors, whose sum is σ = 1525734542. Its totient is φ = 1525734540.

The previous prime is 1525734527. The next prime is 1525734611. The reversal of 1525734541 is 1454375251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046781316 + 478953225 = 32354^2 + 21885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525734541 - 2¹⁵ = 1525701773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1525734541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525734641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762867270 + 762867271.

It is an arithmetic number, because the mean of its divisors is an integer number (762867271).

Almost surely, 2^1525734541 is an apocalyptic number.

It is an amenable number.

1525734541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525734541 is an equidigital number, since it uses as much as digits as its factorization.

1525734541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 37.

The square root of 1525734541 is about 39060.6520810905. The cubic root of 1525734541 is about 1151.2235348177.

The spelling of 1525734541 in words is "one billion, five hundred twenty-five million, seven hundred thirty-four thousand, five hundred forty-one".