1651362001 has 2 divisors, whose sum is σ = 1651362002. Its totient is φ = 1651362000.

The previous prime is 1651361989. The next prime is 1651362079. The reversal of 1651362001 is 1002631561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1401753600 + 249608401 = 37440^2 + 15799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1651362001 - 2²¹ = 1649264849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1651362101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825681000 + 825681001.

It is an arithmetic number, because the mean of its divisors is an integer number (825681001).

Almost surely, 2^1651362001 is an apocalyptic number.

It is an amenable number.

1651362001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651362001 is an equidigital number, since it uses as much as digits as its factorization.

1651362001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1651362001 is about 40636.9536382835. The cubic root of 1651362001 is about 1181.9907984068.

Adding to 1651362001 its reverse (1002631561), we get a palindrome (2653993562).

The spelling of 1651362001 in words is "one billion, six hundred fifty-one million, three hundred sixty-two thousand, one".