15401013 has 4 divisors (see below), whose sum is σ = 20534688. Its totient is φ = 10267340.

The previous prime is 15401003. The next prime is 15401027. The reversal of 15401013 is 31010451.

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 15401013 - 2⁶ = 15400949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15400983 and 15401001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15401003) 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, 2566833 + ... + 2566838.

It is an arithmetic number, because the mean of its divisors is an integer number (5133672).

Almost surely, 2^15401013 is an apocalyptic number.

It is an amenable number.

15401013 is a deficient number, since it is larger than the sum of its proper divisors (5133675).

15401013 is an equidigital number, since it uses as much as digits as its factorization.

15401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133674.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 15401013 is about 3924.4124400985. The cubic root of 15401013 is about 248.7996485160.

Adding to 15401013 its reverse (31010451), we get a palindrome (46411464).

The spelling of 15401013 in words is "fifteen million, four hundred one thousand, thirteen".