1254535461 has 6 divisors (see below), whose sum is σ = 1812106790. Its totient is φ = 836356968.

The previous prime is 1254535433. The next prime is 1254535481. The reversal of 1254535461 is 1645354521.

1254535461 is a `hidden beast` number, since 1 + 2 + 545 + 3 + 54 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1253584836 + 950625 = 35406^2 + 975^2 .

It is not a de Polignac number, because 1254535461 - 2⁶ = 1254535397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254535411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69696406 + ... + 69696423.

Almost surely, 2^1254535461 is an apocalyptic number.

It is an amenable number.

1254535461 is a deficient number, since it is larger than the sum of its proper divisors (557571329).

1254535461 is a wasteful number, since it uses less digits than its factorization.

1254535461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139392835 (or 139392832 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1254535461 is about 35419.4220873238. The cubic root of 1254535461 is about 1078.5186197163.

Adding to 1254535461 its reverse (1645354521), we get a palindrome (2899889982).

The spelling of 1254535461 in words is "one billion, two hundred fifty-four million, five hundred thirty-five thousand, four hundred sixty-one".