87150541 has 4 divisors (see below), whose sum is σ = 87198012. Its totient is φ = 87103072.

The previous prime is 87150527. The next prime is 87150563. The reversal of 87150541 is 14505178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 28933641 = 7630^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 87150541 - 2¹⁵ = 87117773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87150241) 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, 20866 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (21799503).

Almost surely, 2^87150541 is an apocalyptic number.

It is an amenable number.

87150541 is a deficient number, since it is larger than the sum of its proper divisors (47471).

87150541 is a wasteful number, since it uses less digits than its factorization.

87150541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47470.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 87150541 is about 9335.4454098345. The cubic root of 87150541 is about 443.3601912737.

The spelling of 87150541 in words is "eighty-seven million, one hundred fifty thousand, five hundred forty-one".