1490079251 has 2 divisors, whose sum is σ = 1490079252. Its totient is φ = 1490079250.

The previous prime is 1490079229. The next prime is 1490079271. The reversal of 1490079251 is 1529700941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1490079251 - 2⁶ = 1490079187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1490079221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745039625 + 745039626.

It is an arithmetic number, because the mean of its divisors is an integer number (745039626).

Almost surely, 2^1490079251 is an apocalyptic number.

1490079251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490079251 is an equidigital number, since it uses as much as digits as its factorization.

1490079251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1490079251 is about 38601.5446711657. The cubic root of 1490079251 is about 1142.1850088710.

The spelling of 1490079251 in words is "one billion, four hundred ninety million, seventy-nine thousand, two hundred fifty-one".