1325214154521 has 32 divisors (see below), whose sum is σ = 1985785383680. Its totient is φ = 873369589248.

The previous prime is 1325214154489. The next prime is 1325214154541. The reversal of 1325214154521 is 1254514125231.

1325214154521 is a `hidden beast` number, since 1 + 3 + 2 + 52 + 1 + 41 + 545 + 21 = 666.

It is not a de Polignac number, because 1325214154521 - 2⁵ = 1325214154489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1325214154541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2008380 + ... + 2585346.

It is an arithmetic number, because the mean of its divisors is an integer number (62055793240).

Almost surely, 2^{1325214154521} is an apocalyptic number.

It is an amenable number.

1325214154521 is a deficient number, since it is larger than the sum of its proper divisors (660571229159).

1325214154521 is an equidigital number, since it uses as much as digits as its factorization.

1325214154521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577950 (or 577944 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 1325214154521 its reverse (1254514125231), we get a palindrome (2579728279752).

The spelling of 1325214154521 in words is "one trillion, three hundred twenty-five billion, two hundred fourteen million, one hundred fifty-four thousand, five hundred twenty-one".