1025925519 has 16 divisors (see below), whose sum is σ = 1403021312. Its totient is φ = 666465408.

The previous prime is 1025925499. The next prime is 1025925581. The reversal of 1025925519 is 9155295201.

It is not a de Polignac number, because 1025925519 - 2⁵ = 1025925487 is a prime.

It is a super-2 number, since 2×1025925519² = 2105046341070838722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025925319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46674 + ... + 65040.

It is an arithmetic number, because the mean of its divisors is an integer number (87688832).

Almost surely, 2^1025925519 is an apocalyptic number.

1025925519 is a deficient number, since it is larger than the sum of its proper divisors (377095793).

1025925519 is a wasteful number, since it uses less digits than its factorization.

1025925519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18846.

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 1025925519 is about 32030.0721041961. The cubic root of 1025925519 is about 1008.5682156703.

It can be divided in two parts, 10259 and 25519, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 1025925519 in words is "one billion, twenty-five million, nine hundred twenty-five thousand, five hundred nineteen".