1325404098 has 18 divisors (see below), whose sum is σ = 2872043577. Its totient is φ = 441749880.

The previous prime is 1325404097. The next prime is 1325404111. The reversal of 1325404098 is 8904045231.

It can be written as a sum of positive squares in 2 ways, for example, as 682933689 + 642470409 = 26133^2 + 25347^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25743.

It is not an unprimeable number, because it can be changed into a prime (1325404097) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 150168 + ... + 158748.

Almost surely, 2^1325404098 is an apocalyptic number.

1325404098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1325404098 is an abundant number, since it is smaller than the sum of its proper divisors (1546639479).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325404098 is an frugal number, since it uses more digits than its factorization.

1325404098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17170 (or 8586 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1325404098 is about 36406.0997361706. The cubic root of 1325404098 is about 1098.4562637404.

The spelling of 1325404098 in words is "one billion, three hundred twenty-five million, four hundred four thousand, ninety-eight".