1542961 has 6 divisors (see below), whose sum is σ = 1794930. Its totient is φ = 1322496.

The previous prime is 1542941. The next prime is 1542973. The reversal of 1542961 is 1692451.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 176400 = 1169^2 + 420^2 .

It is not a de Polignac number, because 1542961 - 2¹⁷ = 1411889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15696 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (299155).

2^1542961 is an apocalyptic number.

It is an amenable number.

1542961 is a deficient number, since it is larger than the sum of its proper divisors (251969).

1542961 is an equidigital number, since it uses as much as digits as its factorization.

1542961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31503 (or 31496 counting only the distinct ones).

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

The square root of 1542961 is about 1242.1598125845. The cubic root of 1542961 is about 115.5539998489.

The spelling of 1542961 in words is "one million, five hundred forty-two thousand, nine hundred sixty-one".