1253762651 has 2 divisors, whose sum is σ = 1253762652. Its totient is φ = 1253762650.

The previous prime is 1253762641. The next prime is 1253762677. The reversal of 1253762651 is 1562673521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253762651 - 2¹⁴ = 1253746267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253762641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626881325 + 626881326.

It is an arithmetic number, because the mean of its divisors is an integer number (626881326).

Almost surely, 2^1253762651 is an apocalyptic number.

1253762651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253762651 is an equidigital number, since it uses as much as digits as its factorization.

1253762651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 1253762651 is about 35408.5109966516. The cubic root of 1253762651 is about 1078.2971137735.

The spelling of 1253762651 in words is "one billion, two hundred fifty-three million, seven hundred sixty-two thousand, six hundred fifty-one".