87237250 has 16 divisors (see below), whose sum is σ = 163308600. Its totient is φ = 34894800.

The previous prime is 87237247. The next prime is 87237253. The reversal of 87237250 is 5273278.

It is an interprime number because it is at equal distance from previous prime (87237247) and next prime (87237253).

It can be written as a sum of positive squares in 4 ways, for example, as 47155689 + 40081561 = 6867^2 + 6331^2 .

It is a super-2 number, since 2×87237250² = 15220675575125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87237253) 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, 174225 + ... + 174724.

Almost surely, 2^87237250 is an apocalyptic number.

87237250 is a deficient number, since it is larger than the sum of its proper divisors (76071350).

87237250 is a wasteful number, since it uses less digits than its factorization.

87237250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348966 (or 348956 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 87237250 is about 9340.0883293468. The cubic root of 87237250 is about 443.5071805174.

The spelling of 87237250 in words is "eighty-seven million, two hundred thirty-seven thousand, two hundred fifty".