531245201 has 6 divisors (see below), whose sum is σ = 533033106. Its totient is φ = 529460000.

The previous prime is 531245167. The next prime is 531245207. The reversal of 531245201 is 102542135.

531245201 = T₃₂₆ + T₃₂₇ + ... + T₁₄₇₆.

It can be written as a sum of positive squares in only one way, i.e., 529920400 + 1324801 = 23020^2 + 1151^2 .

It is a de Polignac number, because none of the positive numbers 2^k-531245201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531245207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460976 + ... + 462126.

It is an arithmetic number, because the mean of its divisors is an integer number (88838851).

Almost surely, 2^531245201 is an apocalyptic number.

It is an amenable number.

531245201 is a deficient number, since it is larger than the sum of its proper divisors (1787905).

531245201 is an frugal number, since it uses more digits than its factorization.

531245201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 1552 counting only the distinct ones).

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

The square root of 531245201 is about 23048.7570380704. The cubic root of 531245201 is about 809.9005115831.

Adding to 531245201 its reverse (102542135), we get a palindrome (633787336).

The spelling of 531245201 in words is "five hundred thirty-one million, two hundred forty-five thousand, two hundred one".