552752381 has 2 divisors, whose sum is σ = 552752382. Its totient is φ = 552752380.

The previous prime is 552752341. The next prime is 552752419. The reversal of 552752381 is 183257255.

It is an a-pointer prime, because the next prime (552752419) can be obtained adding 552752381 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446476900 + 106275481 = 21130^2 + 10309^2 .

It is a cyclic number.

It is not a de Polignac number, because 552752381 - 2¹⁰ = 552751357 is a prime.

It is a super-2 number, since 2×552752381² = 611070389402338322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552752311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276376190 + 276376191.

It is an arithmetic number, because the mean of its divisors is an integer number (276376191).

Almost surely, 2^552752381 is an apocalyptic number.

It is an amenable number.

552752381 is a deficient number, since it is larger than the sum of its proper divisors (1).

552752381 is an equidigital number, since it uses as much as digits as its factorization.

552752381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 38.

The square root of 552752381 is about 23510.6865276197. The cubic root of 552752381 is about 820.6857148392.

The spelling of 552752381 in words is "five hundred fifty-two million, seven hundred fifty-two thousand, three hundred eighty-one".