253351947 has 8 divisors (see below), whose sum is σ = 355581760. Its totient is φ = 160011720.

The previous prime is 253351937. The next prime is 253351957. The reversal of 253351947 is 749153352.

It is a happy number.

253351947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253351937) and next prime (253351957).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253351947 - 2⁶ = 253351883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253351907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222329 + ... + 2222442.

It is an arithmetic number, because the mean of its divisors is an integer number (44447720).

Almost surely, 2^253351947 is an apocalyptic number.

253351947 is a deficient number, since it is larger than the sum of its proper divisors (102229813).

253351947 is a wasteful number, since it uses less digits than its factorization.

253351947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444793.

The product of its digits is 113400, while the sum is 39.

The square root of 253351947 is about 15917.0332348714. The cubic root of 253351947 is about 632.7634938755.

The spelling of 253351947 in words is "two hundred fifty-three million, three hundred fifty-one thousand, nine hundred forty-seven".