253475707 has 2 divisors, whose sum is σ = 253475708. Its totient is φ = 253475706.

The previous prime is 253475693. The next prime is 253475723. The reversal of 253475707 is 707574352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253475707 - 2¹⁵ = 253442939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253475707.

It is not a weakly prime, because it can be changed into another prime (253475767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126737853 + 126737854.

It is an arithmetic number, because the mean of its divisors is an integer number (126737854).

Almost surely, 2^253475707 is an apocalyptic number.

253475707 is a deficient number, since it is larger than the sum of its proper divisors (1).

253475707 is an equidigital number, since it uses as much as digits as its factorization.

253475707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205800, while the sum is 40.

The square root of 253475707 is about 15920.9204193727. The cubic root of 253475707 is about 632.8665100723.

The spelling of 253475707 in words is "two hundred fifty-three million, four hundred seventy-five thousand, seven hundred seven".