261202054 has 8 divisors (see below), whose sum is σ = 392709240. Its totient is φ = 130298976.

The previous prime is 261202031. The next prime is 261202057. The reversal of 261202054 is 450202162.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261202057) 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, 149944 + ... + 151675.

It is an arithmetic number, because the mean of its divisors is an integer number (49088655).

Almost surely, 2^261202054 is an apocalyptic number.

261202054 is a deficient number, since it is larger than the sum of its proper divisors (131507186).

261202054 is a wasteful number, since it uses less digits than its factorization.

261202054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302054.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 261202054 is about 16161.7466259065. The cubic root of 261202054 is about 639.2325224040.

The spelling of 261202054 in words is "two hundred sixty-one million, two hundred two thousand, fifty-four".