1541225525 has 24 divisors (see below), whose sum is σ = 2312619840. Its totient is φ = 994671360.

The previous prime is 1541225513. The next prime is 1541225537. The reversal of 1541225525 is 5255221451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1541225513) and next prime (1541225537).

It is not a de Polignac number, because 1541225525 - 2¹⁶ = 1541159989 is a prime.

It is a super-2 number, since 2×1541225525² = 4750752237823051250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1541225491 and 1541225500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256055 + ... + 262004.

It is an arithmetic number, because the mean of its divisors is an integer number (96359160).

Almost surely, 2^1541225525 is an apocalyptic number.

It is an amenable number.

1541225525 is a deficient number, since it is larger than the sum of its proper divisors (771394315).

1541225525 is a wasteful number, since it uses less digits than its factorization.

1541225525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518093 (or 518088 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 1541225525 is about 39258.4452697760. The cubic root of 1541225525 is about 1155.1065973591.

Adding to 1541225525 its reverse (5255221451), we get a palindrome (6796446976).

The spelling of 1541225525 in words is "one billion, five hundred forty-one million, two hundred twenty-five thousand, five hundred twenty-five".