1925064247 has 4 divisors (see below), whose sum is σ = 1936191960. Its totient is φ = 1913936536.

The previous prime is 1925064233. The next prime is 1925064269. The reversal of 1925064247 is 7424605291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1925064247 - 2¹¹ = 1925062199 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925064227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563597 + ... + 5563942.

It is an arithmetic number, because the mean of its divisors is an integer number (484047990).

Almost surely, 2^1925064247 is an apocalyptic number.

1925064247 is a deficient number, since it is larger than the sum of its proper divisors (11127713).

1925064247 is a wasteful number, since it uses less digits than its factorization.

1925064247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127712.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1925064247 is about 43875.5540933673. The cubic root of 1925064247 is about 1243.9848064145.

The spelling of 1925064247 in words is "one billion, nine hundred twenty-five million, sixty-four thousand, two hundred forty-seven".