1392051601 has 2 divisors, whose sum is σ = 1392051602. Its totient is φ = 1392051600.

The previous prime is 1392051569. The next prime is 1392051607. The reversal of 1392051601 is 1061502931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1326052225 + 65999376 = 36415^2 + 8124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1392051601 - 2⁵ = 1392051569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1392051601.

It is not a weakly prime, because it can be changed into another prime (1392051607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696025800 + 696025801.

It is an arithmetic number, because the mean of its divisors is an integer number (696025801).

Almost surely, 2^1392051601 is an apocalyptic number.

It is an amenable number.

1392051601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392051601 is an equidigital number, since it uses as much as digits as its factorization.

1392051601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1392051601 is about 37310.2077319331. The cubic root of 1392051601 is about 1116.5678309296.

The spelling of 1392051601 in words is "one billion, three hundred ninety-two million, fifty-one thousand, six hundred one".