1525523042 has 8 divisors (see below), whose sum is σ = 2288876736. Its totient is φ = 762564132.

The previous prime is 1525523023. The next prime is 1525523059. The reversal of 1525523042 is 2403255251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1525522996 and 1525523014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88838 + ... + 104609.

It is an arithmetic number, because the mean of its divisors is an integer number (286109592).

Almost surely, 2^1525523042 is an apocalyptic number.

1525523042 is a deficient number, since it is larger than the sum of its proper divisors (763353694).

1525523042 is a wasteful number, since it uses less digits than its factorization.

1525523042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197392.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1525523042 is about 39057.9446719870. The cubic root of 1525523042 is about 1151.1703377354.

Adding to 1525523042 its reverse (2403255251), we get a palindrome (3928778293).

The spelling of 1525523042 in words is "one billion, five hundred twenty-five million, five hundred twenty-three thousand, forty-two".