1651201037 has 2 divisors, whose sum is σ = 1651201038. Its totient is φ = 1651201036.

The previous prime is 1651201033. The next prime is 1651201051. The reversal of 1651201037 is 7301021561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061391241 + 589809796 = 32579^2 + 24286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1651201037 - 2² = 1651201033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1651200997 and 1651201015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1651201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825600518 + 825600519.

It is an arithmetic number, because the mean of its divisors is an integer number (825600519).

Almost surely, 2^1651201037 is an apocalyptic number.

It is an amenable number.

1651201037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651201037 is an equidigital number, since it uses as much as digits as its factorization.

1651201037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1651201037 is about 40634.9730773874. The cubic root of 1651201037 is about 1181.9523929070.

Adding to 1651201037 its reverse (7301021561), we get a palindrome (8952222598).

The spelling of 1651201037 in words is "one billion, six hundred fifty-one million, two hundred one thousand, thirty-seven".