1025380345 has 16 divisors (see below), whose sum is σ = 1350877248. Its totient is φ = 740975040.

The previous prime is 1025380337. The next prime is 1025380393. The reversal of 1025380345 is 5430835201.

It is not a de Polignac number, because 1025380345 - 2³ = 1025380337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50739 + ... + 68008.

It is an arithmetic number, because the mean of its divisors is an integer number (84429828).

Almost surely, 2^1025380345 is an apocalyptic number.

It is an amenable number.

1025380345 is a deficient number, since it is larger than the sum of its proper divisors (325496903).

1025380345 is a wasteful number, since it uses less digits than its factorization.

1025380345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118920.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1025380345 is about 32021.5606271774. The cubic root of 1025380345 is about 1008.3895338907.

The spelling of 1025380345 in words is "one billion, twenty-five million, three hundred eighty thousand, three hundred forty-five".