249151453 has 2 divisors, whose sum is σ = 249151454. Its totient is φ = 249151452.

The previous prime is 249151423. The next prime is 249151459. The reversal of 249151453 is 354151942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217769049 + 31382404 = 14757^2 + 5602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249151453 is a prime.

It is a super-2 number, since 2×249151453² = 124152893064022418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249151459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124575726 + 124575727.

It is an arithmetic number, because the mean of its divisors is an integer number (124575727).

Almost surely, 2^249151453 is an apocalyptic number.

It is an amenable number.

249151453 is a deficient number, since it is larger than the sum of its proper divisors (1).

249151453 is an equidigital number, since it uses as much as digits as its factorization.

249151453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 249151453 is about 15784.5320804894. The cubic root of 249151453 is about 629.2469822200.

The spelling of 249151453 in words is "two hundred forty-nine million, one hundred fifty-one thousand, four hundred fifty-three".