1542132901 has 2 divisors, whose sum is σ = 1542132902. Its totient is φ = 1542132900.

The previous prime is 1542132881. The next prime is 1542132919. The reversal of 1542132901 is 1092312451.

It is a Cunningham number, because it is equal to 39270²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1542132900 + 1 = 39270^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542132901 - 2¹³ = 1542124709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1542132901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542132961) 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 as a sum of consecutive naturals, namely, 771066450 + 771066451.

It is an arithmetic number, because the mean of its divisors is an integer number (771066451).

Almost surely, 2^1542132901 is an apocalyptic number.

It is an amenable number.

1542132901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542132901 is an equidigital number, since it uses as much as digits as its factorization.

1542132901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1542132901 is about 39270.0000127324. Note that the first 4 decimals coincide. The cubic root of 1542132901 is about 1155.3332374292. Note that the first 3 decimals are identical.

The spelling of 1542132901 in words is "one billion, five hundred forty-two million, one hundred thirty-two thousand, nine hundred one".