1526252505 has 16 divisors (see below), whose sum is σ = 2442769920. Its totient is φ = 813746048.

The previous prime is 1526252489. The next prime is 1526252509. The reversal of 1526252505 is 5052526251.

It is a cyclic number.

It is not a de Polignac number, because 1526252505 - 2⁴ = 1526252489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1526252509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39736 + ... + 68054.

It is an arithmetic number, because the mean of its divisors is an integer number (152673120).

Almost surely, 2^1526252505 is an apocalyptic number.

1526252505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1526252505 is a deficient number, since it is larger than the sum of its proper divisors (916517415).

1526252505 is a wasteful number, since it uses less digits than its factorization.

1526252505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31920.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1526252505 is about 39067.2817713237. The cubic root of 1526252505 is about 1151.3537944546.

Adding to 1526252505 its reverse (5052526251), we get a palindrome (6578778756).

The spelling of 1526252505 in words is "one billion, five hundred twenty-six million, two hundred fifty-two thousand, five hundred five".