1325406654 has 72 divisors (see below), whose sum is σ = 3399393816. Its totient is φ = 370735200.

The previous prime is 1325406653. The next prime is 1325406659. The reversal of 1325406654 is 4566045231.

1325406654 is a `hidden beast` number, since 1 + 3 + 2 + 540 + 66 + 54 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325406653) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4909 + ... + 51719.

It is an arithmetic number, because the mean of its divisors is an integer number (47213803).

Almost surely, 2^1325406654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325406654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699696908).

1325406654 is an abundant number, since it is smaller than the sum of its proper divisors (2073987162).

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

1325406654 is a wasteful number, since it uses less digits than its factorization.

1325406654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46854 (or 46840 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1325406654 is about 36406.1348401612. The cubic root of 1325406654 is about 1098.4569698527.

The spelling of 1325406654 in words is "one billion, three hundred twenty-five million, four hundred six thousand, six hundred fifty-four".