82351901 has 2 divisors, whose sum is σ = 82351902. Its totient is φ = 82351900.

The previous prime is 82351897. The next prime is 82351931. The reversal of 82351901 is 10915328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 17935225 = 8026^2 + 4235^2 .

It is a cyclic number.

It is not a de Polignac number, because 82351901 - 2² = 82351897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82351931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41175950 + 41175951.

It is an arithmetic number, because the mean of its divisors is an integer number (41175951).

Almost surely, 2^82351901 is an apocalyptic number.

It is an amenable number.

82351901 is a deficient number, since it is larger than the sum of its proper divisors (1).

82351901 is an equidigital number, since it uses as much as digits as its factorization.

82351901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 82351901 is about 9074.7948186171. The cubic root of 82351901 is about 435.0687362205.

It can be divided in two parts, 82 and 351901, that multiplied together give a palindrome (28855882).

The spelling of 82351901 in words is "eighty-two million, three hundred fifty-one thousand, nine hundred one".