1525312201 has 16 divisors (see below), whose sum is σ = 1763382528. Its totient is φ = 1292328000.

The previous prime is 1525312193. The next prime is 1525312223. The reversal of 1525312201 is 1022135251.

It is a cyclic number.

It is not a de Polignac number, because 1525312201 - 2³ = 1525312193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525312501) 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 15 ways as a sum of consecutive naturals, for example, 545116 + ... + 547906.

It is an arithmetic number, because the mean of its divisors is an integer number (110211408).

Almost surely, 2^1525312201 is an apocalyptic number.

It is an amenable number.

1525312201 is a deficient number, since it is larger than the sum of its proper divisors (238070327).

1525312201 is a wasteful number, since it uses less digits than its factorization.

1525312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1525312201 is about 39055.2454991644. The cubic root of 1525312201 is about 1151.1173012617.

Adding to 1525312201 its reverse (1022135251), we get a palindrome (2547447452).

The spelling of 1525312201 in words is "one billion, five hundred twenty-five million, three hundred twelve thousand, two hundred one".