1025542242 has 32 divisors (see below), whose sum is σ = 2288468160. Its totient is φ = 340424640.

The previous prime is 1025542241. The next prime is 1025542261. The reversal of 1025542242 is 2422455201.

1025542242 is a `hidden beast` number, since 102 + 554 + 2 + 2 + 4 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1025542241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26388 + ... + 52415.

It is an arithmetic number, because the mean of its divisors is an integer number (71514630).

Almost surely, 2^1025542242 is an apocalyptic number.

1025542242 is an abundant number, since it is smaller than the sum of its proper divisors (1262925918).

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

1025542242 is a wasteful number, since it uses less digits than its factorization.

1025542242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79055 (or 79049 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1025542242 is about 32024.0884647791. The cubic root of 1025542242 is about 1008.4426025397.

Adding to 1025542242 its reverse (2422455201), we get a palindrome (3447997443).

The spelling of 1025542242 in words is "one billion, twenty-five million, five hundred forty-two thousand, two hundred forty-two".