52261831 has 2 divisors, whose sum is σ = 52261832. Its totient is φ = 52261830.

The previous prime is 52261829. The next prime is 52261841. The reversal of 52261831 is 13816225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52261831 - 2¹ = 52261829 is a prime.

It is a super-2 number, since 2×52261831² = 5462597958945122, which contains 22 as substring.

Together with 52261829, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52261831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52261841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26130915 + 26130916.

It is an arithmetic number, because the mean of its divisors is an integer number (26130916).

Almost surely, 2^52261831 is an apocalyptic number.

52261831 is a deficient number, since it is larger than the sum of its proper divisors (1).

52261831 is an equidigital number, since it uses as much as digits as its factorization.

52261831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 52261831 is about 7229.2344684621. The cubic root of 52261831 is about 373.8765332582.

The spelling of 52261831 in words is "fifty-two million, two hundred sixty-one thousand, eight hundred thirty-one".