202553434 has 8 divisors (see below), whose sum is σ = 303909588. Its totient is φ = 101250240.

The previous prime is 202553423. The next prime is 202553437. The reversal of 202553434 is 434355202.

It can be written as a sum of positive squares in 2 ways, for example, as 152893225 + 49660209 = 12365^2 + 7047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202553437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647 + ... + 20194.

Almost surely, 2^202553434 is an apocalyptic number.

202553434 is a deficient number, since it is larger than the sum of its proper divisors (101356154).

202553434 is a wasteful number, since it uses less digits than its factorization.

202553434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 202553434 is about 14232.1268263039. The cubic root of 202553434 is about 587.2817927533.

The spelling of 202553434 in words is "two hundred two million, five hundred fifty-three thousand, four hundred thirty-four".