61903225 has 6 divisors (see below), whose sum is σ = 76760030. Its totient is φ = 49522560.

The previous prime is 61903201. The next prime is 61903241. The reversal of 61903225 is 52230916.

61903225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9369721 + 52533504 = 3061^2 + 7248^2 .

It is not a de Polignac number, because 61903225 - 2¹³ = 61895033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61903193 and 61903202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1238040 + ... + 1238089.

Almost surely, 2^61903225 is an apocalyptic number.

It is an amenable number.

61903225 is a deficient number, since it is larger than the sum of its proper divisors (14856805).

61903225 is a wasteful number, since it uses less digits than its factorization.

61903225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476139 (or 2476134 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 61903225 is about 7867.8602554951. The cubic root of 61903225 is about 395.5831263338.

It can be divided in two parts, 61903 and 225, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 61903225 in words is "sixty-one million, nine hundred three thousand, two hundred twenty-five".