61412415 has 64 divisors (see below), whose sum is σ = 111891456. Its totient is φ = 28588032.

The previous prime is 61412399. The next prime is 61412419. The reversal of 61412415 is 51421416.

It is a happy number.

It is not a de Polignac number, because 61412415 - 2⁴ = 61412399 is a prime.

It is a super-2 number, since 2×61412415² = 7542969432264450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61412419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216864 + ... + 217146.

It is an arithmetic number, because the mean of its divisors is an integer number (1748304).

Almost surely, 2^61412415 is an apocalyptic number.

61412415 is a deficient number, since it is larger than the sum of its proper divisors (50479041).

61412415 is a wasteful number, since it uses less digits than its factorization.

61412415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its digits is 960, while the sum is 24.

The square root of 61412415 is about 7836.6073654356. The cubic root of 61412415 is about 394.5348688339.

Subtracting from 61412415 its reverse (51421416), we obtain a palindrome (9990999).

The spelling of 61412415 in words is "sixty-one million, four hundred twelve thousand, four hundred fifteen".