1651485151 has 2 divisors, whose sum is σ = 1651485152. Its totient is φ = 1651485150.

The previous prime is 1651485137. The next prime is 1651485181. The reversal of 1651485151 is 1515841561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1651485151 - 2⁵ = 1651485119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1651485151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1651485131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825742575 + 825742576.

It is an arithmetic number, because the mean of its divisors is an integer number (825742576).

Almost surely, 2^1651485151 is an apocalyptic number.

1651485151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651485151 is an equidigital number, since it uses as much as digits as its factorization.

1651485151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 37.

The square root of 1651485151 is about 40638.4688564911. The cubic root of 1651485151 is about 1182.0201799210.

The spelling of 1651485151 in words is "one billion, six hundred fifty-one million, four hundred eighty-five thousand, one hundred fifty-one".