253435772 has 12 divisors (see below), whose sum is σ = 445765320. Its totient is φ = 126074256.

The previous prime is 253435753. The next prime is 253435783. The reversal of 253435772 is 277534352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160022 + ... + 161597.

It is an arithmetic number, because the mean of its divisors is an integer number (37147110).

Almost surely, 2^253435772 is an apocalyptic number.

It is an amenable number.

253435772 is a deficient number, since it is larger than the sum of its proper divisors (192329548).

253435772 is a wasteful number, since it uses less digits than its factorization.

253435772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321820 (or 321818 counting only the distinct ones).

The product of its digits is 176400, while the sum is 38.

The square root of 253435772 is about 15919.6662025308. Note that the first 3 decimals coincide. The cubic root of 253435772 is about 632.8332723684.

The spelling of 253435772 in words is "two hundred fifty-three million, four hundred thirty-five thousand, seven hundred seventy-two".