1025724481 has 8 divisors (see below), whose sum is σ = 1081792800. Its totient is φ = 969864480.

The previous prime is 1025724457. The next prime is 1025724487. The reversal of 1025724481 is 1844275201.

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 1025724481 - 2⁵ = 1025724449 is a prime.

It is a super-2 number, since 2×1025724481² = 2104221421845438722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025724487) 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, 41911 + ... + 61708.

It is an arithmetic number, because the mean of its divisors is an integer number (135224100).

Almost surely, 2^1025724481 is an apocalyptic number.

It is an amenable number.

1025724481 is a deficient number, since it is larger than the sum of its proper divisors (56068319).

1025724481 is a wasteful number, since it uses less digits than its factorization.

1025724481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104159.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1025724481 is about 32026.9336808880. The cubic root of 1025724481 is about 1008.5023324657.

Adding to 1025724481 its reverse (1844275201), we get a palindrome (2869999682).

The spelling of 1025724481 in words is "one billion, twenty-five million, seven hundred twenty-four thousand, four hundred eighty-one".