61193025 has 18 divisors (see below), whose sum is σ = 109603910. Its totient is φ = 32636160.

The previous prime is 61193017. The next prime is 61193063. The reversal of 61193025 is 52039116.

It can be written as a sum of positive squares in 3 ways, for example, as 1656369 + 59536656 = 1287^2 + 7716^2 .

It is not a de Polignac number, because 61193025 - 2³ = 61193017 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61193025.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 135760 + ... + 136209.

Almost surely, 2^61193025 is an apocalyptic number.

It is an amenable number.

61193025 is a deficient number, since it is larger than the sum of its proper divisors (48410885).

61193025 is a wasteful number, since it uses less digits than its factorization.

61193025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271985 (or 271977 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 61193025 is about 7822.5970751407. The cubic root of 61193025 is about 394.0644955272.

It can be divided in two parts, 611 and 93025, that added together give a square (93636 = 306²).

The spelling of 61193025 in words is "sixty-one million, one hundred ninety-three thousand, twenty-five".