61435413 has 24 divisors (see below), whose sum is σ = 96888792. Its totient is φ = 37283328.

The previous prime is 61435373. The next prime is 61435421. The reversal of 61435413 is 31453416.

61435413 is a `hidden beast` number, since 614 + 3 + 5 + 41 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 79524 + 61355889 = 282^2 + 7833^2 .

It is not a de Polignac number, because 61435413 - 2¹⁰ = 61434389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61435453) 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, 4945 + ... + 12137.

It is an arithmetic number, because the mean of its divisors is an integer number (4037033).

Almost surely, 2^61435413 is an apocalyptic number.

It is an amenable number.

61435413 is a deficient number, since it is larger than the sum of its proper divisors (35453379).

61435413 is a wasteful number, since it uses less digits than its factorization.

61435413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285 (or 7282 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 61435413 is about 7838.0745722403. The cubic root of 61435413 is about 394.5841117572.

Adding to 61435413 its reverse (31453416), we get a palindrome (92888829).

The spelling of 61435413 in words is "sixty-one million, four hundred thirty-five thousand, four hundred thirteen".