1542041253 has 16 divisors (see below), whose sum is σ = 2418888960. Its totient is φ = 967555008.

The previous prime is 1542041251. The next prime is 1542041297. The reversal of 1542041253 is 3521402451.

It is not a de Polignac number, because 1542041253 - 2¹ = 1542041251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542041251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679325 + ... + 1680242.

It is an arithmetic number, because the mean of its divisors is an integer number (151180560).

Almost surely, 2^1542041253 is an apocalyptic number.

It is an amenable number.

1542041253 is a deficient number, since it is larger than the sum of its proper divisors (876847707).

1542041253 is a wasteful number, since it uses less digits than its factorization.

1542041253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359593 (or 3359587 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1542041253 is about 39268.8330995460. The cubic root of 1542041253 is about 1155.3103500637.

The spelling of 1542041253 in words is "one billion, five hundred forty-two million, forty-one thousand, two hundred fifty-three".