3925054381 has 2 divisors, whose sum is σ = 3925054382. Its totient is φ = 3925054380.

The previous prime is 3925054373. The next prime is 3925054421. The reversal of 3925054381 is 1834505293.

It is an a-pointer prime, because the next prime (3925054421) can be obtained adding 3925054381 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242277481 + 682776900 = 56941^2 + 26130^2 .

It is a cyclic number.

It is not a de Polignac number, because 3925054381 - 2³ = 3925054373 is a prime.

It is a super-2 number, since 2×3925054381² = 30812103787614586322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3925054481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962527190 + 1962527191.

It is an arithmetic number, because the mean of its divisors is an integer number (1962527191).

Almost surely, 2^3925054381 is an apocalyptic number.

3925054381 is the 39624-th centered pentagonal number.

It is an amenable number.

3925054381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925054381 is an equidigital number, since it uses as much as digits as its factorization.

3925054381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 3925054381 is about 62650.2544368337. The cubic root of 3925054381 is about 1577.4244184593.

The spelling of 3925054381 in words is "three billion, nine hundred twenty-five million, fifty-four thousand, three hundred eighty-one".