4001154461 has 2 divisors, whose sum is σ = 4001154462. Its totient is φ = 4001154460.

The previous prime is 4001154427. The next prime is 4001154499. The reversal of 4001154461 is 1644511004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3027090361 + 974064100 = 55019^2 + 31210^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001154461 - 2⁶ = 4001154397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4001154461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001154401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000577230 + 2000577231.

It is an arithmetic number, because the mean of its divisors is an integer number (2000577231).

Almost surely, 2^4001154461 is an apocalyptic number.

It is an amenable number.

4001154461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001154461 is an equidigital number, since it uses as much as digits as its factorization.

4001154461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4001154461 is about 63254.6793605027. The cubic root of 4001154461 is about 1587.5537533290.

Adding to 4001154461 its reverse (1644511004), we get a palindrome (5645665465).

The spelling of 4001154461 in words is "four billion, one million, one hundred fifty-four thousand, four hundred sixty-one".