1925263613 has 8 divisors (see below), whose sum is σ = 2369555328. Its totient is φ = 1523285424.

The previous prime is 1925263607. The next prime is 1925263631. The reversal of 1925263613 is 3163625291.

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 1925263613 - 2²⁰ = 1924215037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925263643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10578281 + ... + 10578462.

It is an arithmetic number, because the mean of its divisors is an integer number (296194416).

Almost surely, 2^1925263613 is an apocalyptic number.

1925263613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1925263613 is a deficient number, since it is larger than the sum of its proper divisors (444291715).

1925263613 is a wasteful number, since it uses less digits than its factorization.

1925263613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21156763.

The product of its digits is 58320, while the sum is 38.

The square root of 1925263613 is about 43877.8259830635. The cubic root of 1925263613 is about 1244.0277486547.

The spelling of 1925263613 in words is "one billion, nine hundred twenty-five million, two hundred sixty-three thousand, six hundred thirteen".