1293892051 has 2 divisors, whose sum is σ = 1293892052. Its totient is φ = 1293892050.

The previous prime is 1293892031. The next prime is 1293892069. The reversal of 1293892051 is 1502983921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1293892051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1293891995 and 1293892013.

It is not a weakly prime, because it can be changed into another prime (1293892031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646946025 + 646946026.

It is an arithmetic number, because the mean of its divisors is an integer number (646946026).

Almost surely, 2^1293892051 is an apocalyptic number.

1293892051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293892051 is an equidigital number, since it uses as much as digits as its factorization.

1293892051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1293892051 is about 35970.7110160475. The cubic root of 1293892051 is about 1089.6809241971.

The spelling of 1293892051 in words is "one billion, two hundred ninety-three million, eight hundred ninety-two thousand, fifty-one".