1282061525 has 6 divisors (see below), whose sum is σ = 1589756322. Its totient is φ = 1025649200.

The previous prime is 1282061509. The next prime is 1282061527. The reversal of 1282061525 is 5251602821.

It can be written as a sum of positive squares in 3 ways, for example, as 197149681 + 1084911844 = 14041^2 + 32938^2 .

It is not a de Polignac number, because 1282061525 - 2⁴ = 1282061509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1282061491 and 1282061500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282061527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25641206 + ... + 25641255.

It is an arithmetic number, because the mean of its divisors is an integer number (264959387).

Almost surely, 2^1282061525 is an apocalyptic number.

It is an amenable number.

1282061525 is a deficient number, since it is larger than the sum of its proper divisors (307694797).

1282061525 is an equidigital number, since it uses as much as digits as its factorization.

1282061525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51282471 (or 51282466 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1282061525 is about 35805.8867366806. The cubic root of 1282061525 is about 1086.3496339614.

The spelling of 1282061525 in words is "one billion, two hundred eighty-two million, sixty-one thousand, five hundred twenty-five".