15054661 has 2 divisors, whose sum is σ = 15054662. Its totient is φ = 15054660.

The previous prime is 15054659. The next prime is 15054701. The reversal of 15054661 is 16645051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 690561 = 3790^2 + 831^2 .

It is an emirp because it is prime and its reverse (16645051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15054661 - 2¹ = 15054659 is a prime.

Together with 15054659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15054461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527330 + 7527331.

It is an arithmetic number, because the mean of its divisors is an integer number (7527331).

Almost surely, 2^15054661 is an apocalyptic number.

It is an amenable number.

15054661 is a deficient number, since it is larger than the sum of its proper divisors (1).

15054661 is an equidigital number, since it uses as much as digits as its factorization.

15054661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 15054661 is about 3880.0336338748. The cubic root of 15054661 is about 246.9204123264.

The spelling of 15054661 in words is "fifteen million, fifty-four thousand, six hundred sixty-one".