1025501345 has 32 divisors (see below), whose sum is σ = 1474606080. Its totient is φ = 675829440.

The previous prime is 1025501237. The next prime is 1025501357. The reversal of 1025501345 is 5431055201.

It is not a de Polignac number, because 1025501345 - 2⁸ = 1025501089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2702 + ... + 45368.

It is an arithmetic number, because the mean of its divisors is an integer number (46081440).

Almost surely, 2^1025501345 is an apocalyptic number.

It is an amenable number.

1025501345 is a deficient number, since it is larger than the sum of its proper divisors (449104735).

1025501345 is a wasteful number, since it uses less digits than its factorization.

1025501345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42725.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1025501345 is about 32023.4499234545. The cubic root of 1025501345 is about 1008.4291973304.

Adding to 1025501345 its reverse (5431055201), we get a palindrome (6456556546).

The spelling of 1025501345 in words is "one billion, twenty-five million, five hundred one thousand, three hundred forty-five".