381469025 has 12 divisors (see below), whose sum is σ = 540596352. Its totient is φ = 261578640.

The previous prime is 381469009. The next prime is 381469057. The reversal of 381469025 is 520964183.

It is a happy number.

It is not a de Polignac number, because 381469025 - 2⁴ = 381469009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 381469025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089737 + ... + 1090086.

It is an arithmetic number, because the mean of its divisors is an integer number (45049696).

Almost surely, 2^381469025 is an apocalyptic number.

381469025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381469025 is a deficient number, since it is larger than the sum of its proper divisors (159127327).

381469025 is a wasteful number, since it uses less digits than its factorization.

381469025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179840 (or 2179835 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 381469025 is about 19531.2320399917. The cubic root of 381469025 is about 725.2478106494.

The spelling of 381469025 in words is "three hundred eighty-one million, four hundred sixty-nine thousand, twenty-five".