105287453 has 2 divisors, whose sum is σ = 105287454. Its totient is φ = 105287452.

The previous prime is 105287449. The next prime is 105287489. The reversal of 105287453 is 354782501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80317444 + 24970009 = 8962^2 + 4997^2 .

It is a cyclic number.

It is not a de Polignac number, because 105287453 - 2² = 105287449 is a prime.

It is a super-2 number, since 2×105287453² = 22170895518454418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105787453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52643726 + 52643727.

It is an arithmetic number, because the mean of its divisors is an integer number (52643727).

Almost surely, 2^105287453 is an apocalyptic number.

It is an amenable number.

105287453 is a deficient number, since it is larger than the sum of its proper divisors (1).

105287453 is an equidigital number, since it uses as much as digits as its factorization.

105287453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 105287453 is about 10260.9674495147. The cubic root of 105287453 is about 472.1995185537.

It can be divided in two parts, 105 and 287453, that multiplied together give a triangular number (30182565 = T₇₇₆₉).

The spelling of 105287453 in words is "one hundred five million, two hundred eighty-seven thousand, four hundred fifty-three".