253065464 has 8 divisors (see below), whose sum is σ = 474497760. Its totient is φ = 126532728.

The previous prime is 253065443. The next prime is 253065559. The reversal of 253065464 is 464560352.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 15816584 + ... + 15816599.

It is an arithmetic number, because the mean of its divisors is an integer number (59312220).

Almost surely, 2^253065464 is an apocalyptic number.

It is an amenable number.

253065464 is a deficient number, since it is larger than the sum of its proper divisors (221432296).

253065464 is a wasteful number, since it uses less digits than its factorization.

253065464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31633189 (or 31633185 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 253065464 is about 15908.0314306956. The cubic root of 253065464 is about 632.5249004138.

The spelling of 253065464 in words is "two hundred fifty-three million, sixty-five thousand, four hundred sixty-four".