61343425 has 24 divisors (see below), whose sum is σ = 89369280. Its totient is φ = 41179200.

The previous prime is 61343423. The next prime is 61343431. The reversal of 61343425 is 52434316.

It is not a de Polignac number, because 61343425 - 2¹ = 61343423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61343393 and 61343402.

It is not an unprimeable number, because it can be changed into a prime (61343423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5005 + ... + 12154.

It is an arithmetic number, because the mean of its divisors is an integer number (3723720).

Almost surely, 2^61343425 is an apocalyptic number.

61343425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61343425 is a deficient number, since it is larger than the sum of its proper divisors (28025855).

61343425 is a wasteful number, since it uses less digits than its factorization.

61343425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17193 (or 17188 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 61343425 is about 7832.2043512666. The cubic root of 61343425 is about 394.3870748335.

It can be divided in two parts, 6134 and 3425, that added together give a palindrome (9559).

The spelling of 61343425 in words is "sixty-one million, three hundred forty-three thousand, four hundred twenty-five".