1325641546 has 4 divisors (see below), whose sum is σ = 1988462322. Its totient is φ = 662820772.

The previous prime is 1325641523. The next prime is 1325641549. The reversal of 1325641546 is 6451465231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1195430625 + 130210921 = 34575^2 + 11411^2 .

It is not an unprimeable number, because it can be changed into a prime (1325641549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331410385 + ... + 331410388.

Almost surely, 2^1325641546 is an apocalyptic number.

1325641546 is a deficient number, since it is larger than the sum of its proper divisors (662820776).

1325641546 is an equidigital number, since it uses as much as digits as its factorization.

1325641546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662820775.

The product of its digits is 86400, while the sum is 37.

The square root of 1325641546 is about 36409.3606919979. The cubic root of 1325641546 is about 1098.5218564827.

The spelling of 1325641546 in words is "one billion, three hundred twenty-five million, six hundred forty-one thousand, five hundred forty-six".