61356059 has 4 divisors (see below), whose sum is σ = 61589616. Its totient is φ = 61122504.

The previous prime is 61356041. The next prime is 61356079. The reversal of 61356059 is 95065316.

61356059 = 346² + 347² + ... + 608².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61356059 is a prime.

It is a super-2 number, since 2×61356059² = 7529131952022962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61356079) 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, 116384 + ... + 116909.

It is an arithmetic number, because the mean of its divisors is an integer number (15397404).

Almost surely, 2^61356059 is an apocalyptic number.

61356059 is a deficient number, since it is larger than the sum of its proper divisors (233557).

61356059 is a wasteful number, since it uses less digits than its factorization.

61356059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233556.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 61356059 is about 7833.0108515181. The cubic root of 61356059 is about 394.4141483369.

The spelling of 61356059 in words is "sixty-one million, three hundred fifty-six thousand, fifty-nine".