1002535542 has 20 divisors (see below), whose sum is σ = 2246422596. Its totient is φ = 334178460.

The previous prime is 1002535511. The next prime is 1002535553. The reversal of 1002535542 is 2455352001.

It is a happy number.

1002535542 is a `hidden beast` number, since 100 + 2 + 5 + 3 + 554 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3094084 + ... + 3094407.

Almost surely, 2^1002535542 is an apocalyptic number.

1002535542 is an abundant number, since it is smaller than the sum of its proper divisors (1243887054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002535542 is an equidigital number, since it uses as much as digits as its factorization.

1002535542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188505 (or 6188496 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1002535542 is about 31662.8416602174. The cubic root of 1002535542 is about 1000.8444673408.

Adding to 1002535542 its reverse (2455352001), we get a palindrome (3457887543).

The spelling of 1002535542 in words is "one billion, two million, five hundred thirty-five thousand, five hundred forty-two".