15155201 has 4 divisors (see below), whose sum is σ = 15222192. Its totient is φ = 15088212.

The previous prime is 15155167. The next prime is 15155207. The reversal of 15155201 is 10255151.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 15155201 - 2¹⁸ = 14893057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15155207) 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, 33155 + ... + 33608.

It is an arithmetic number, because the mean of its divisors is an integer number (3805548).

It is a Proth number, since it is equal to 925 ⋅ 2¹⁴ + 1 and 925 < 2¹⁴.

Almost surely, 2^15155201 is an apocalyptic number.

It is an amenable number.

15155201 is a deficient number, since it is larger than the sum of its proper divisors (66991).

15155201 is an equidigital number, since it uses as much as digits as its factorization.

15155201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66990.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 15155201 is about 3892.9681478276. The cubic root of 15155201 is about 247.4688652465.

The spelling of 15155201 in words is "fifteen million, one hundred fifty-five thousand, two hundred one".