452400349 has 2 divisors, whose sum is σ = 452400350. Its totient is φ = 452400348.

The previous prime is 452400287. The next prime is 452400353. The reversal of 452400349 is 943004254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257602500 + 194797849 = 16050^2 + 13957^2 .

It is a cyclic number.

It is not a de Polignac number, because 452400349 - 2⁹ = 452399837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 452400349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452403349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226200174 + 226200175.

It is an arithmetic number, because the mean of its divisors is an integer number (226200175).

Almost surely, 2^452400349 is an apocalyptic number.

It is an amenable number.

452400349 is a deficient number, since it is larger than the sum of its proper divisors (1).

452400349 is an equidigital number, since it uses as much as digits as its factorization.

452400349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 452400349 is about 21269.7049579913. The cubic root of 452400349 is about 767.6695429116.

The spelling of 452400349 in words is "four hundred fifty-two million, four hundred thousand, three hundred forty-nine".