253711651 has 2 divisors, whose sum is σ = 253711652. Its totient is φ = 253711650.

The previous prime is 253711637. The next prime is 253711669. The reversal of 253711651 is 156117352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253711651 - 2¹³ = 253703459 is a prime.

It is not a weakly prime, because it can be changed into another prime (253711631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126855825 + 126855826.

It is an arithmetic number, because the mean of its divisors is an integer number (126855826).

Almost surely, 2^253711651 is an apocalyptic number.

253711651 is a deficient number, since it is larger than the sum of its proper divisors (1).

253711651 is an equidigital number, since it uses as much as digits as its factorization.

253711651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 31.

The square root of 253711651 is about 15928.3285689365. The cubic root of 253711651 is about 633.0628138923.

The spelling of 253711651 in words is "two hundred fifty-three million, seven hundred eleven thousand, six hundred fifty-one".