61429413 has 32 divisors (see below), whose sum is σ = 89717760. Its totient is φ = 37255680.

The previous prime is 61429397. The next prime is 61429429. The reversal of 61429413 is 31492416.

It is an interprime number because it is at equal distance from previous prime (61429397) and next prime (61429429).

It is not a de Polignac number, because 61429413 - 2⁴ = 61429397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61429813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173845 + ... + 174197.

It is an arithmetic number, because the mean of its divisors is an integer number (2803680).

Almost surely, 2^61429413 is an apocalyptic number.

It is an amenable number.

61429413 is a deficient number, since it is larger than the sum of its proper divisors (28288347).

61429413 is a wasteful number, since it uses less digits than its factorization.

61429413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its digits is 5184, while the sum is 30.

The square root of 61429413 is about 7837.6918158346. The cubic root of 61429413 is about 394.5712658451.

The spelling of 61429413 in words is "sixty-one million, four hundred twenty-nine thousand, four hundred thirteen".