1542132501 has 64 divisors (see below), whose sum is σ = 2613811200. Its totient is φ = 787159296.

The previous prime is 1542132499. The next prime is 1542132547. The reversal of 1542132501 is 1052312451.

It is a happy number.

It is not a de Polignac number, because 1542132501 - 2¹ = 1542132499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542132551) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1078455 + ... + 1079883.

It is an arithmetic number, because the mean of its divisors is an integer number (40840800).

Almost surely, 2^1542132501 is an apocalyptic number.

It is an amenable number.

1542132501 is a deficient number, since it is larger than the sum of its proper divisors (1071678699).

1542132501 is a wasteful number, since it uses less digits than its factorization.

1542132501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1542132501 is about 39269.9949197858. The cubic root of 1542132501 is about 1155.3331375387. Note that the first 3 decimals are identical.

Adding to 1542132501 its reverse (1052312451), we get a palindrome (2594444952).

The spelling of 1542132501 in words is "one billion, five hundred forty-two million, one hundred thirty-two thousand, five hundred one".