381201573325 has 24 divisors (see below), whose sum is σ = 485539091912. Its totient is φ = 296673995520.

The previous prime is 381201573323. The next prime is 381201573359. The reversal of 381201573325 is 523375102183.

381201573325 = 436578² + 436579².

It can be written as a sum of positive squares in 12 ways, for example, as 31813003044 + 349388570281 = 178362^2 + 591091^2 .

It is not a de Polignac number, because 381201573325 - 2¹ = 381201573323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381201573323) 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, 6888667 + ... + 6943783.

Almost surely, 2^381201573325 is an apocalyptic number.

381201573325 is the 436579-th centered square number.

It is an amenable number.

381201573325 is a deficient number, since it is larger than the sum of its proper divisors (104337518587).

381201573325 is a wasteful number, since it uses less digits than its factorization.

381201573325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62641 (or 62636 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 381201573325 in words is "three hundred eighty-one billion, two hundred one million, five hundred seventy-three thousand, three hundred twenty-five".