253429699 has 2 divisors, whose sum is σ = 253429700. Its totient is φ = 253429698.

The previous prime is 253429697. The next prime is 253429703. The reversal of 253429699 is 996924352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253429699 - 2¹ = 253429697 is a prime.

It is a super-2 number, since 2×253429699² = 128453224670461202, which contains 22 as substring.

Together with 253429697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (253429691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126714849 + 126714850.

It is an arithmetic number, because the mean of its divisors is an integer number (126714850).

Almost surely, 2^253429699 is an apocalyptic number.

253429699 is a deficient number, since it is larger than the sum of its proper divisors (1).

253429699 is an equidigital number, since it uses as much as digits as its factorization.

253429699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 253429699 is about 15919.4754624642. The cubic root of 253429699 is about 632.8282175345.

The spelling of 253429699 in words is "two hundred fifty-three million, four hundred twenty-nine thousand, six hundred ninety-nine".