1906531325 has 6 divisors (see below), whose sum is σ = 2364098874. Its totient is φ = 1525225040.

The previous prime is 1906531273. The next prime is 1906531357. The reversal of 1906531325 is 5231356091.

It can be written as a sum of positive squares in 3 ways, for example, as 1907161 + 1904624164 = 1381^2 + 43642^2 .

It is not a de Polignac number, because 1906531325 - 2⁶ = 1906531261 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 38130602 + ... + 38130651.

It is an arithmetic number, because the mean of its divisors is an integer number (394016479).

Almost surely, 2^1906531325 is an apocalyptic number.

It is an amenable number.

1906531325 is a deficient number, since it is larger than the sum of its proper divisors (457567549).

1906531325 is an equidigital number, since it uses as much as digits as its factorization.

1906531325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76261263 (or 76261258 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 1906531325 is about 43663.8445971034. The cubic root of 1906531325 is about 1239.9799088403.

The spelling of 1906531325 in words is "one billion, nine hundred six million, five hundred thirty-one thousand, three hundred twenty-five".