1542137 has 2 divisors, whose sum is σ = 1542138. Its totient is φ = 1542136.

The previous prime is 1542131. The next prime is 1542179. The reversal of 1542137 is 7312451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958441 + 583696 = 979^2 + 764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1542131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771068 + 771069.

It is an arithmetic number, because the mean of its divisors is an integer number (771069).

2^1542137 is an apocalyptic number.

It is an amenable number.

1542137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542137 is an equidigital number, since it uses as much as digits as its factorization.

1542137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 1542137 is about 1241.8280879413. The cubic root of 1542137 is about 115.5334261056.

Adding to 1542137 its reverse (7312451), we get a palindrome (8854588).

The spelling of 1542137 in words is "one million, five hundred forty-two thousand, one hundred thirty-seven".