1925378951 has 2 divisors, whose sum is σ = 1925378952. Its totient is φ = 1925378950.

The previous prime is 1925378941. The next prime is 1925378977. The reversal of 1925378951 is 1598735291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1925378951 - 2²⁶ = 1858270087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1925378951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1925378941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962689475 + 962689476.

It is an arithmetic number, because the mean of its divisors is an integer number (962689476).

Almost surely, 2^1925378951 is an apocalyptic number.

1925378951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925378951 is an equidigital number, since it uses as much as digits as its factorization.

1925378951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 50.

The square root of 1925378951 is about 43879.1402718877. The cubic root of 1925378951 is about 1244.0525904143.

The spelling of 1925378951 in words is "one billion, nine hundred twenty-five million, three hundred seventy-eight thousand, nine hundred fifty-one".