1523525042 has 8 divisors (see below), whose sum is σ = 2461078956. Its totient is φ = 703165392.

The previous prime is 1523525021. The next prime is 1523525053. The reversal of 1523525042 is 2405253251.

It can be written as a sum of positive squares in 2 ways, for example, as 1516401481 + 7123561 = 38941^2 + 2669^2 .

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

It is a super-2 number, since 2×1523525042² = 4642257107202203528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1523524996 and 1523525014.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29298533 + ... + 29298584.

Almost surely, 2^1523525042 is an apocalyptic number.

1523525042 is a deficient number, since it is larger than the sum of its proper divisors (937553914).

1523525042 is a wasteful number, since it uses less digits than its factorization.

1523525042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58597132.

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

The square root of 1523525042 is about 39032.3589089873. The cubic root of 1523525042 is about 1150.6675499190.

Adding to 1523525042 its reverse (2405253251), we get a palindrome (3928778293).

The spelling of 1523525042 in words is "one billion, five hundred twenty-three million, five hundred twenty-five thousand, forty-two".