87246225 has 36 divisors (see below), whose sum is σ = 170478672. Its totient is φ = 42300000.

The previous prime is 87246221. The next prime is 87246293. The reversal of 87246225 is 52264278.

87246225 is a `hidden beast` number, since 8 + 7 + 24 + 622 + 5 = 666.

It is not a de Polignac number, because 87246225 - 2² = 87246221 is a prime.

It is a super-2 number, since 2×87246225² = 15223807553501250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87246225.

It is not an unprimeable number, because it can be changed into a prime (87246221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15151 + ... + 20100.

Almost surely, 2^87246225 is an apocalyptic number.

It is an amenable number.

87246225 is a deficient number, since it is larger than the sum of its proper divisors (83232447).

87246225 is a wasteful number, since it uses less digits than its factorization.

87246225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35278 (or 35270 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 87246225 is about 9340.5687728318. The cubic root of 87246225 is about 443.5223893892.

The spelling of 87246225 in words is "eighty-seven million, two hundred forty-six thousand, two hundred twenty-five".