253433763 has 12 divisors (see below), whose sum is σ = 399350328. Its totient is φ = 153596160.

The previous prime is 253433753. The next prime is 253433767. The reversal of 253433763 is 367334352.

It is not a de Polignac number, because 253433763 - 2¹⁴ = 253417379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253433767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1279870 + ... + 1280067.

It is an arithmetic number, because the mean of its divisors is an integer number (33279194).

Almost surely, 2^253433763 is an apocalyptic number.

253433763 is a deficient number, since it is larger than the sum of its proper divisors (145916565).

253433763 is a wasteful number, since it uses less digits than its factorization.

253433763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559954 (or 2559951 counting only the distinct ones).

The product of its digits is 136080, while the sum is 36.

The square root of 253433763 is about 15919.6031043491. The cubic root of 253433763 is about 632.8316001953.

The spelling of 253433763 in words is "two hundred fifty-three million, four hundred thirty-three thousand, seven hundred sixty-three".