15030061 has 4 divisors (see below), whose sum is σ = 15241824. Its totient is φ = 14818300.

The previous prime is 15030049. The next prime is 15030079. The reversal of 15030061 is 16003051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16003051 = 971 ⋅16481.

It is a cyclic number.

It is not a de Polignac number, because 15030061 - 2⁷ = 15029933 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 (15030161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105775 + ... + 105916.

It is an arithmetic number, because the mean of its divisors is an integer number (3810456).

Almost surely, 2^15030061 is an apocalyptic number.

It is an amenable number.

15030061 is a deficient number, since it is larger than the sum of its proper divisors (211763).

15030061 is an equidigital number, since it uses as much as digits as its factorization.

15030061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211762.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 15030061 is about 3876.8622621909. The cubic root of 15030061 is about 246.7858459468.

The spelling of 15030061 in words is "fifteen million, thirty thousand, sixty-one".