61942965 has 16 divisors (see below), whose sum is σ = 113267328. Its totient is φ = 28316736.

The previous prime is 61942943. The next prime is 61942967. The reversal of 61942965 is 56924916.

61942965 = T₄₆₃ + T₄₆₄ + ... + T₇₇₇.

It is a happy number.

It is not a de Polignac number, because 61942965 - 2⁶ = 61942901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61942967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294862 + ... + 295071.

It is an arithmetic number, because the mean of its divisors is an integer number (7079208).

Almost surely, 2^61942965 is an apocalyptic number.

It is an amenable number.

61942965 is a deficient number, since it is larger than the sum of its proper divisors (51324363).

61942965 is a wasteful number, since it uses less digits than its factorization.

61942965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589948.

The product of its digits is 116640, while the sum is 42.

The square root of 61942965 is about 7870.3853145828. The cubic root of 61942965 is about 395.6677590306.

The spelling of 61942965 in words is "sixty-one million, nine hundred forty-two thousand, nine hundred sixty-five".