1525352323 has 4 divisors (see below), whose sum is σ = 1664020728. Its totient is φ = 1386683920.

The previous prime is 1525352317. The next prime is 1525352327. The reversal of 1525352323 is 3232535251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1525352323 - 2⁵ = 1525352291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525352327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69334186 + ... + 69334207.

It is an arithmetic number, because the mean of its divisors is an integer number (416005182).

Almost surely, 2^1525352323 is an apocalyptic number.

1525352323 is a deficient number, since it is larger than the sum of its proper divisors (138668405).

1525352323 is a wasteful number, since it uses less digits than its factorization.

1525352323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138668404.

The product of its digits is 27000, while the sum is 31.

The square root of 1525352323 is about 39055.7591527805. The cubic root of 1525352323 is about 1151.1273942170.

Adding to 1525352323 its reverse (3232535251), we get a palindrome (4757887574).

It can be divided in two parts, 15253 and 52323, that added together give a palindrome (67576).

The spelling of 1525352323 in words is "one billion, five hundred twenty-five million, three hundred fifty-two thousand, three hundred twenty-three".