351402049 has 2 divisors, whose sum is σ = 351402050. Its totient is φ = 351402048.

The previous prime is 351402041. The next prime is 351402097. The reversal of 351402049 is 940204153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340956225 + 10445824 = 18465^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 351402049 - 2³ = 351402041 is a prime.

It is not a weakly prime, because it can be changed into another prime (351402041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175701024 + 175701025.

It is an arithmetic number, because the mean of its divisors is an integer number (175701025).

Almost surely, 2^351402049 is an apocalyptic number.

It is an amenable number.

351402049 is a deficient number, since it is larger than the sum of its proper divisors (1).

351402049 is an equidigital number, since it uses as much as digits as its factorization.

351402049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 351402049 is about 18745.7208183628. The cubic root of 351402049 is about 705.6696345333.

The spelling of 351402049 in words is "three hundred fifty-one million, four hundred two thousand, forty-nine".