15201901 has 8 divisors (see below), whose sum is σ = 17859744. Its totient is φ = 12756720.

The previous prime is 15201883. The next prime is 15201913. The reversal of 15201901 is 10910251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15201901 - 2¹⁷ = 15070829 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 (15201941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53011 + ... + 53296.

It is an arithmetic number, because the mean of its divisors is an integer number (2232468).

Almost surely, 2^15201901 is an apocalyptic number.

15201901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15201901 is a deficient number, since it is larger than the sum of its proper divisors (2657843).

15201901 is a wasteful number, since it uses less digits than its factorization.

15201901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106331.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 15201901 is about 3898.9615284073. The cubic root of 15201901 is about 247.7227922806.

The spelling of 15201901 in words is "fifteen million, two hundred one thousand, nine hundred one".