1505423201 has 4 divisors (see below), whose sum is σ = 1527892272. Its totient is φ = 1482954132.

The previous prime is 1505423197. The next prime is 1505423203. The reversal of 1505423201 is 1023245051.

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 1505423201 - 2² = 1505423197 is a prime.

It is a super-4 number, since 4×1505423201⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1505423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11234435 + ... + 11234568.

It is an arithmetic number, because the mean of its divisors is an integer number (381973068).

Almost surely, 2^1505423201 is an apocalyptic number.

It is an amenable number.

1505423201 is a deficient number, since it is larger than the sum of its proper divisors (22469071).

1505423201 is an equidigital number, since it uses as much as digits as its factorization.

1505423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22469070.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1505423201 is about 38799.7835174373. The cubic root of 1505423201 is about 1146.0921422846.

Adding to 1505423201 its reverse (1023245051), we get a palindrome (2528668252).

The spelling of 1505423201 in words is "one billion, five hundred five million, four hundred twenty-three thousand, two hundred one".