381126425 has 6 divisors (see below), whose sum is σ = 472596798. Its totient is φ = 304901120.

The previous prime is 381126413. The next prime is 381126461. The reversal of 381126425 is 524621183.

It can be written as a sum of positive squares in 3 ways, for example, as 47844889 + 333281536 = 6917^2 + 18256^2 .

It is not a de Polignac number, because 381126425 - 2²⁰ = 380077849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381126391 and 381126400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7622504 + ... + 7622553.

It is an arithmetic number, because the mean of its divisors is an integer number (78766133).

Almost surely, 2^381126425 is an apocalyptic number.

It is an amenable number.

381126425 is a deficient number, since it is larger than the sum of its proper divisors (91470373).

381126425 is a wasteful number, since it uses less digits than its factorization.

381126425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15245067 (or 15245062 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 381126425 is about 19522.4595018148. The cubic root of 381126425 is about 725.0306289081.

The spelling of 381126425 in words is "three hundred eighty-one million, one hundred twenty-six thousand, four hundred twenty-five".