187480037752225 has 9 divisors (see below), whose sum is σ = 232475331705267. Its totient is φ = 149983975432440.

The previous prime is 187480037752219. The next prime is 187480037752279. The reversal of 187480037752225 is 522257730084781.

The square root of 187480037752225 is 13692335.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 67492813590801 + 119987224161424 = 8215401^2 + 10953868^2 .

It is not a de Polignac number, because 187480037752225 - 2⁵ = 187480037752193 is a prime.

It is a super-2 number, since 2×187480037752225² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67092442 + ... + 69830908.

Almost surely, 2^{187480037752225} is an apocalyptic number.

187480037752225 is the 13692335-th square number.

187480037752225 is the 6846168-th centered octagonal number.

It is an amenable number.

187480037752225 is a deficient number, since it is larger than the sum of its proper divisors (44995293953042).

187480037752225 is an frugal number, since it uses more digits than its factorization.

187480037752225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476944 (or 2738472 counting only the distinct ones).

The product of its (nonzero) digits is 52684800, while the sum is 61.

It can be divided in two parts, 1874800 and 37752225, that added together give a square (39627025 = 6295²).

The spelling of 187480037752225 in words is "one hundred eighty-seven trillion, four hundred eighty billion, thirty-seven million, seven hundred fifty-two thousand, two hundred twenty-five".