61016425 has 6 divisors (see below), whose sum is σ = 75660398. Its totient is φ = 48813120.

The previous prime is 61016419. The next prime is 61016453. The reversal of 61016425 is 52461016.

It can be written as a sum of positive squares in 3 ways, for example, as 4044121 + 56972304 = 2011^2 + 7548^2 .

It is not a de Polignac number, because 61016425 - 2¹⁷ = 60885353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2440657 = 61016425 / (6 + 1 + 0 + 1 + 6 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61016425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1220304 + ... + 1220353.

Almost surely, 2^61016425 is an apocalyptic number.

It is an amenable number.

61016425 is a deficient number, since it is larger than the sum of its proper divisors (14643973).

61016425 is a wasteful number, since it uses less digits than its factorization.

61016425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440667 (or 2440662 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61016425 is about 7811.3011080101. The cubic root of 61016425 is about 393.6850468151.

The spelling of 61016425 in words is "sixty-one million, sixteen thousand, four hundred twenty-five".