987452261 has 8 divisors (see below), whose sum is σ = 1047850560. Its totient is φ = 928509472.

The previous prime is 987452209. The next prime is 987452267. The reversal of 987452261 is 162254789.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 987452261 - 2²⁶ = 920343397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987452267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362480 + ... + 365193.

It is an arithmetic number, because the mean of its divisors is an integer number (130981320).

Almost surely, 2^987452261 is an apocalyptic number.

It is an amenable number.

987452261 is a deficient number, since it is larger than the sum of its proper divisors (60398299).

987452261 is a wasteful number, since it uses less digits than its factorization.

987452261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727755.

The product of its digits is 241920, while the sum is 44.

The square root of 987452261 is about 31423.7531335772. The cubic root of 987452261 is about 995.7998033812.

The spelling of 987452261 in words is "nine hundred eighty-seven million, four hundred fifty-two thousand, two hundred sixty-one".