1540153 has 2 divisors, whose sum is σ = 1540154. Its totient is φ = 1540152.

The previous prime is 1540151. The next prime is 1540157. The reversal of 1540153 is 3510451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 356409 = 1088^2 + 597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540153 - 2¹ = 1540151 is a prime.

Together with 1540151, it forms a pair of twin primes.

1540153 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1540153.

It is not a weakly prime, because it can be changed into another prime (1540151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770076 + 770077.

It is an arithmetic number, because the mean of its divisors is an integer number (770077).

2^1540153 is an apocalyptic number.

It is an amenable number.

1540153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540153 is an equidigital number, since it uses as much as digits as its factorization.

1540153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1540153 is about 1241.0290085248. The cubic root of 1540153 is about 115.4838592413.

The spelling of 1540153 in words is "one million, five hundred forty thousand, one hundred fifty-three".