61411039 has 4 divisors (see below), whose sum is σ = 61637920. Its totient is φ = 61184160.

The previous prime is 61411033. The next prime is 61411043. The reversal of 61411039 is 93011416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61411039 - 2⁷ = 61410911 is a prime.

It is a super-2 number, since 2×61411039² = 7542631422119042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61411033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113034 + ... + 113575.

It is an arithmetic number, because the mean of its divisors is an integer number (15409480).

Almost surely, 2^61411039 is an apocalyptic number.

61411039 is a deficient number, since it is larger than the sum of its proper divisors (226881).

61411039 is a wasteful number, since it uses less digits than its factorization.

61411039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226880.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 61411039 is about 7836.5195718508. The cubic root of 61411039 is about 394.5319221765.

The spelling of 61411039 in words is "sixty-one million, four hundred eleven thousand, thirty-nine".