1520532542 has 16 divisors (see below), whose sum is σ = 2326399920. Its totient is φ = 745143168.

The previous prime is 1520532539. The next prime is 1520532593. The reversal of 1520532542 is 2452350251.

It is a super-2 number, since 2×1520532542² = 4624038422561963528, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20648 + ... + 58884.

It is an arithmetic number, because the mean of its divisors is an integer number (145399995).

Almost surely, 2^1520532542 is an apocalyptic number.

1520532542 is a deficient number, since it is larger than the sum of its proper divisors (805867378).

1520532542 is a wasteful number, since it uses less digits than its factorization.

1520532542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38635.

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

The square root of 1520532542 is about 38994.0064881771. The cubic root of 1520532542 is about 1149.9136777046.

Adding to 1520532542 its reverse (2452350251), we get a palindrome (3972882793).

The spelling of 1520532542 in words is "one billion, five hundred twenty million, five hundred thirty-two thousand, five hundred forty-two".