1525140105 has 16 divisors (see below), whose sum is σ = 2440730880. Its totient is φ = 813239168.

The previous prime is 1525140101. The next prime is 1525140151. The reversal of 1525140105 is 5010415251.

It is a cyclic number.

It is not a de Polignac number, because 1525140105 - 2² = 1525140101 is a prime.

It is a super-2 number, since 2×1525140105² = 4652104679758822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1525140101) 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 in 15 ways as a sum of consecutive naturals, for example, 104656 + ... + 118334.

It is an arithmetic number, because the mean of its divisors is an integer number (152545680).

Almost surely, 2^1525140105 is an apocalyptic number.

1525140105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1525140105 is a deficient number, since it is larger than the sum of its proper divisors (915590775).

1525140105 is a wasteful number, since it uses less digits than its factorization.

1525140105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1525140105 is about 39053.0421990400. The cubic root of 1525140105 is about 1151.0740073634.

Adding to 1525140105 its reverse (5010415251), we get a palindrome (6535555356).

The spelling of 1525140105 in words is "one billion, five hundred twenty-five million, one hundred forty thousand, one hundred five".