15202425401 has 4 divisors (see below), whose sum is σ = 15202744704. Its totient is φ = 15202106100.

The previous prime is 15202425397. The next prime is 15202425409. The reversal of 15202425401 is 10452420251.

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 15202425401 - 2² = 15202425397 is a prime.

It is a super-2 number, since 2×15202425401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15202425409) 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, 72305 + ... + 188766.

It is an arithmetic number, because the mean of its divisors is an integer number (3800686176).

Almost surely, 2^15202425401 is an apocalyptic number.

It is an amenable number.

15202425401 is a deficient number, since it is larger than the sum of its proper divisors (319303).

15202425401 is an equidigital number, since it uses as much as digits as its factorization.

15202425401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319302.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 15202425401 its reverse (10452420251), we get a palindrome (25654845652).

The spelling of 15202425401 in words is "fifteen billion, two hundred two million, four hundred twenty-five thousand, four hundred one".