1381514051 has 2 divisors, whose sum is σ = 1381514052. Its totient is φ = 1381514050.

The previous prime is 1381514047. The next prime is 1381514053. The reversal of 1381514051 is 1504151831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1381514051 - 2² = 1381514047 is a prime.

It is a super-2 number, since 2×1381514051² = 3817162146220861202, which contains 22 as substring.

Together with 1381514053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1381514053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690757025 + 690757026.

It is an arithmetic number, because the mean of its divisors is an integer number (690757026).

Almost surely, 2^1381514051 is an apocalyptic number.

1381514051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381514051 is an equidigital number, since it uses as much as digits as its factorization.

1381514051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 1381514051 is about 37168.7240970147. The cubic root of 1381514051 is about 1113.7432940385.

Adding to 1381514051 its reverse (1504151831), we get a palindrome (2885665882).

The spelling of 1381514051 in words is "one billion, three hundred eighty-one million, five hundred fourteen thousand, fifty-one".