253406966 has 4 divisors (see below), whose sum is σ = 380110452. Its totient is φ = 126703482.

The previous prime is 253406929. The next prime is 253406977. The reversal of 253406966 is 669604352.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63351740 + ... + 63351743.

It is an arithmetic number, because the mean of its divisors is an integer number (95027613).

Almost surely, 2^253406966 is an apocalyptic number.

253406966 is a deficient number, since it is larger than the sum of its proper divisors (126703486).

253406966 is a wasteful number, since it uses less digits than its factorization.

253406966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126703485.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 253406966 is about 15918.7614467960. The cubic root of 253406966 is about 632.8092951087.

The spelling of 253406966 in words is "two hundred fifty-three million, four hundred six thousand, nine hundred sixty-six".