1025501441 has 2 divisors, whose sum is σ = 1025501442. Its totient is φ = 1025501440.

The previous prime is 1025501431. The next prime is 1025501501. The reversal of 1025501441 is 1441055201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943779841 + 81721600 = 30721^2 + 9040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025501441 - 2⁶ = 1025501377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025501401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512750720 + 512750721.

It is an arithmetic number, because the mean of its divisors is an integer number (512750721).

Almost surely, 2^1025501441 is an apocalyptic number.

It is an amenable number.

1025501441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025501441 is an equidigital number, since it uses as much as digits as its factorization.

1025501441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1025501441 is about 32023.4514223561. The cubic root of 1025501441 is about 1008.4292287976.

Adding to 1025501441 its reverse (1441055201), we get a palindrome (2466556642).

The spelling of 1025501441 in words is "one billion, twenty-five million, five hundred one thousand, four hundred forty-one".