1523525542 has 48 divisors (see below), whose sum is σ = 2978527248. Its totient is φ = 577523520.

The previous prime is 1523525537. The next prime is 1523525593. The reversal of 1523525542 is 2455253251.

It is a super-2 number, since 2×1523525542² = 4642260154252787528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1523525498 and 1523525507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20788 + ... + 58984.

It is an arithmetic number, because the mean of its divisors is an integer number (62052651).

Almost surely, 2^1523525542 is an apocalyptic number.

1523525542 is a deficient number, since it is larger than the sum of its proper divisors (1455001706).

1523525542 is a wasteful number, since it uses less digits than its factorization.

1523525542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38261 (or 38254 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 1523525542 is about 39032.3653139289. The cubic root of 1523525542 is about 1150.6676757967.

Adding to 1523525542 its reverse (2455253251), we get a palindrome (3978778793).

The spelling of 1523525542 in words is "one billion, five hundred twenty-three million, five hundred twenty-five thousand, five hundred forty-two".