1382475961 has 2 divisors, whose sum is σ = 1382475962. Its totient is φ = 1382475960.

The previous prime is 1382475943. The next prime is 1382476049. The reversal of 1382475961 is 1695742831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1380865600 + 1610361 = 37160^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1382475961 - 2⁷ = 1382475833 is a prime.

It is a super-2 number, since 2×1382475961² = 3822479565485747042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1382475911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691237980 + 691237981.

It is an arithmetic number, because the mean of its divisors is an integer number (691237981).

Almost surely, 2^1382475961 is an apocalyptic number.

It is an amenable number.

1382475961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382475961 is an equidigital number, since it uses as much as digits as its factorization.

1382475961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 1382475961 is about 37181.6616223643. The cubic root of 1382475961 is about 1114.0017236129.

It can be divided in two parts, 138 and 2475961, that added together give a 5-th power (2476099 = 19⁵).

The spelling of 1382475961 in words is "one billion, three hundred eighty-two million, four hundred seventy-five thousand, nine hundred sixty-one".