531552101 has 4 divisors (see below), whose sum is σ = 545918412. Its totient is φ = 517185792.

The previous prime is 531552097. The next prime is 531552121. The reversal of 531552101 is 101255135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101255135 = 5 ⋅20251027.

It can be written as a sum of positive squares in 2 ways, for example, as 391011076 + 140541025 = 19774^2 + 11855^2 .

It is a cyclic number.

It is not a de Polignac number, because 531552101 - 2² = 531552097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531552121) 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, 7183100 + ... + 7183173.

It is an arithmetic number, because the mean of its divisors is an integer number (136479603).

Almost surely, 2^531552101 is an apocalyptic number.

It is an amenable number.

531552101 is a deficient number, since it is larger than the sum of its proper divisors (14366311).

531552101 is a wasteful number, since it uses less digits than its factorization.

531552101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14366310.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 531552101 is about 23055.4137026426. The cubic root of 531552101 is about 810.0564412228.

The spelling of 531552101 in words is "five hundred thirty-one million, five hundred fifty-two thousand, one hundred one".