1925164413 has 6 divisors (see below), whose sum is σ = 2780793054. Its totient is φ = 1283442936.

The previous prime is 1925164403. The next prime is 1925164433. The reversal of 1925164413 is 3144615291.

It is a happy number.

1925164413 is a `hidden beast` number, since 1 + 9 + 2 + 5 + 1 + 644 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1889380089 + 35784324 = 43467^2 + 5982^2 .

It is not a de Polignac number, because 1925164413 - 2⁶ = 1925164349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925164403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106953570 + ... + 106953587.

It is an arithmetic number, because the mean of its divisors is an integer number (463465509).

Almost surely, 2^1925164413 is an apocalyptic number.

It is an amenable number.

1925164413 is a deficient number, since it is larger than the sum of its proper divisors (855628641).

1925164413 is a wasteful number, since it uses less digits than its factorization.

1925164413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213907163 (or 213907160 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1925164413 is about 43876.6955569810. The cubic root of 1925164413 is about 1244.0063819405.

The spelling of 1925164413 in words is "one billion, nine hundred twenty-five million, one hundred sixty-four thousand, four hundred thirteen".