531362501 has 4 divisors (see below), whose sum is σ = 544322604. Its totient is φ = 518402400.

The previous prime is 531362497. The next prime is 531362551. The reversal of 531362501 is 105263135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10336225 + 521026276 = 3215^2 + 22826^2 .

It is a cyclic number.

It is not a de Polignac number, because 531362501 - 2² = 531362497 is a prime.

It is a super-2 number, since 2×531362501² = 564692214937950002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531362551) 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, 6479990 + ... + 6480071.

It is an arithmetic number, because the mean of its divisors is an integer number (136080651).

Almost surely, 2^531362501 is an apocalyptic number.

It is an amenable number.

531362501 is a deficient number, since it is larger than the sum of its proper divisors (12960103).

531362501 is a wasteful number, since it uses less digits than its factorization.

531362501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960102.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 531362501 is about 23051.3015033859. The cubic root of 531362501 is about 809.9601164125.

The spelling of 531362501 in words is "five hundred thirty-one million, three hundred sixty-two thousand, five hundred one".