15280061 has 2 divisors, whose sum is σ = 15280062. Its totient is φ = 15280060.

The previous prime is 15280049. The next prime is 15280063. The reversal of 15280061 is 16008251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 4024036 = 3355^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 15280061 - 2¹⁸ = 15017917 is a prime.

Together with 15280063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15280063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7640030 + 7640031.

It is an arithmetic number, because the mean of its divisors is an integer number (7640031).

Almost surely, 2^15280061 is an apocalyptic number.

It is an amenable number.

15280061 is a deficient number, since it is larger than the sum of its proper divisors (1).

15280061 is an equidigital number, since it uses as much as digits as its factorization.

15280061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 15280061 is about 3908.9718597094. The cubic root of 15280061 is about 248.1466192060.

The spelling of 15280061 in words is "fifteen million, two hundred eighty thousand, sixty-one".