1542263 has 8 divisors (see below), whose sum is σ = 1587696. Its totient is φ = 1497600.

The previous prime is 1542259. The next prime is 1542283. The reversal of 1542263 is 3622451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1542263 - 2² = 1542259 is a prime.

It is a super-2 number, since 2×1542263² = 4757150322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7895 + ... + 8087.

It is an arithmetic number, because the mean of its divisors is an integer number (198462).

2^1542263 is an apocalyptic number.

1542263 is a deficient number, since it is larger than the sum of its proper divisors (45433).

1542263 is a wasteful number, since it uses less digits than its factorization.

1542263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 1440, while the sum is 23.

The square root of 1542263 is about 1241.8788185648. The cubic root of 1542263 is about 115.5365725652.

The spelling of 1542263 in words is "one million, five hundred forty-two thousand, two hundred sixty-three".