451002029 has 2 divisors, whose sum is σ = 451002030. Its totient is φ = 451002028.

The previous prime is 451002001. The next prime is 451002049. The reversal of 451002029 is 920200154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430770025 + 20232004 = 20755^2 + 4498^2 .

It is a cyclic number.

It is not a de Polignac number, because 451002029 - 2⁸ = 451001773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451001995 and 451002013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225501014 + 225501015.

It is an arithmetic number, because the mean of its divisors is an integer number (225501015).

Almost surely, 2^451002029 is an apocalyptic number.

It is an amenable number.

451002029 is a deficient number, since it is larger than the sum of its proper divisors (1).

451002029 is an equidigital number, since it uses as much as digits as its factorization.

451002029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 451002029 is about 21236.8083524808. The cubic root of 451002029 is about 766.8777990868.

The spelling of 451002029 in words is "four hundred fifty-one million, two thousand, twenty-nine".