261053202 has 16 divisors (see below), whose sum is σ = 524050560. Its totient is φ = 86693712.

The previous prime is 261053159. The next prime is 261053237. The reversal of 261053202 is 202350162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79258 + ... + 82485.

It is an arithmetic number, because the mean of its divisors is an integer number (32753160).

Almost surely, 2^261053202 is an apocalyptic number.

261053202 is an abundant number, since it is smaller than the sum of its proper divisors (262997358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261053202 is a wasteful number, since it uses less digits than its factorization.

261053202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162017.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 261053202 is about 16157.1408980673. The cubic root of 261053202 is about 639.1110722108. Note that the first 3 decimals are identical.

The spelling of 261053202 in words is "two hundred sixty-one million, fifty-three thousand, two hundred two".