15275401 has 4 divisors (see below), whose sum is σ = 16173972. Its totient is φ = 14376832.

The previous prime is 15275383. The next prime is 15275419. The reversal of 15275401 is 10457251.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (15275383) and next prime (15275419).

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 2637376 = 3555^2 + 1624^2 .

It is not a de Polignac number, because 15275401 - 2¹³ = 15267209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15275461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449260 + ... + 449293.

It is an arithmetic number, because the mean of its divisors is an integer number (4043493).

Almost surely, 2^15275401 is an apocalyptic number.

It is an amenable number.

15275401 is a deficient number, since it is larger than the sum of its proper divisors (898571).

15275401 is an equidigital number, since it uses as much as digits as its factorization.

15275401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898570.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 15275401 is about 3908.3757495921. The cubic root of 15275401 is about 248.1213906676.

The spelling of 15275401 in words is "fifteen million, two hundred seventy-five thousand, four hundred one".