381101425 has 24 divisors (see below), whose sum is σ = 478469376. Its totient is φ = 301103040.

The previous prime is 381101423. The next prime is 381101453. The reversal of 381101425 is 524101183.

It is not a de Polignac number, because 381101425 - 2¹ = 381101423 is a prime.

It is a super-2 number, since 2×381101425² = 290476592274061250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381101425.

It is not an unprimeable number, because it can be changed into a prime (381101423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1098102 + ... + 1098448.

It is an arithmetic number, because the mean of its divisors is an integer number (19936224).

Almost surely, 2^381101425 is an apocalyptic number.

It is an amenable number.

381101425 is a deficient number, since it is larger than the sum of its proper divisors (97367951).

381101425 is a wasteful number, since it uses less digits than its factorization.

381101425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 381101425 is about 19521.8192031378. The cubic root of 381101425 is about 725.0147757591.

The spelling of 381101425 in words is "three hundred eighty-one million, one hundred one thousand, four hundred twenty-five".