61802425 has 6 divisors (see below), whose sum is σ = 76635038. Its totient is φ = 49441920.

The previous prime is 61802423. The next prime is 61802431. The reversal of 61802425 is 52420816.

It can be written as a sum of positive squares in 3 ways, for example, as 14907321 + 46895104 = 3861^2 + 6848^2 .

It is not a de Polignac number, because 61802425 - 2¹ = 61802423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61802393 and 61802402.

It is not an unprimeable number, because it can be changed into a prime (61802423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1236024 + ... + 1236073.

Almost surely, 2^61802425 is an apocalyptic number.

It is an amenable number.

61802425 is a deficient number, since it is larger than the sum of its proper divisors (14832613).

61802425 is a wasteful number, since it uses less digits than its factorization.

61802425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472107 (or 2472102 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 61802425 is about 7861.4518379241. The cubic root of 61802425 is about 395.3682940043.

The spelling of 61802425 in words is "sixty-one million, eight hundred two thousand, four hundred twenty-five".