1025342544 has 20 divisors (see below), whose sum is σ = 2648801696. Its totient is φ = 341780832.

The previous prime is 1025342519. The next prime is 1025342551. The reversal of 1025342544 is 4452435201.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10680604 + ... + 10680699.

Almost surely, 2^1025342544 is an apocalyptic number.

It is an amenable number.

1025342544 is an abundant number, since it is smaller than the sum of its proper divisors (1623459152).

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

1025342544 is a wasteful number, since it uses less digits than its factorization.

1025342544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21361314 (or 21361308 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1025342544 is about 32020.9703788002. The cubic root of 1025342544 is about 1008.3771421958.

Adding to 1025342544 its reverse (4452435201), we get a palindrome (5477777745).

The spelling of 1025342544 in words is "one billion, twenty-five million, three hundred forty-two thousand, five hundred forty-four".