61274213 has 32 divisors (see below), whose sum is σ = 84333312. Its totient is φ = 42969600.

The previous prime is 61274179. The next prime is 61274267. The reversal of 61274213 is 31247216.

It is a cyclic number.

It is not a de Polignac number, because 61274213 - 2⁶ = 61274149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61276213) 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, 40295 + ... + 41787.

It is an arithmetic number, because the mean of its divisors is an integer number (2635416).

Almost surely, 2^61274213 is an apocalyptic number.

It is an amenable number.

61274213 is a deficient number, since it is larger than the sum of its proper divisors (23059099).

61274213 is a wasteful number, since it uses less digits than its factorization.

61274213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its digits is 2016, while the sum is 26.

The square root of 61274213 is about 7827.7846802272. The cubic root of 61274213 is about 394.2386938645.

The spelling of 61274213 in words is "sixty-one million, two hundred seventy-four thousand, two hundred thirteen".