1925191265 has 8 divisors (see below), whose sum is σ = 2446125480. Its totient is φ = 1449555712.

The previous prime is 1925191249. The next prime is 1925191271. The reversal of 1925191265 is 5621915291.

It can be written as a sum of positive squares in 4 ways, for example, as 756030016 + 1169161249 = 27496^2 + 34193^2 .

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 1925191265 - 2⁴ = 1925191249 is a prime.

It is a super-2 number, since 2×1925191265² = 7412722813664600450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11324570 + ... + 11324739.

It is an arithmetic number, because the mean of its divisors is an integer number (305765685).

Almost surely, 2^1925191265 is an apocalyptic number.

It is an amenable number.

1925191265 is a deficient number, since it is larger than the sum of its proper divisors (520934215).

1925191265 is a wasteful number, since it uses less digits than its factorization.

1925191265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22649331.

The product of its digits is 48600, while the sum is 41.

The square root of 1925191265 is about 43877.0015497869. The cubic root of 1925191265 is about 1244.0121656723.

The spelling of 1925191265 in words is "one billion, nine hundred twenty-five million, one hundred ninety-one thousand, two hundred sixty-five".