61022359 has 4 divisors (see below), whose sum is σ = 61051720. Its totient is φ = 60993000.

The previous prime is 61022341. The next prime is 61022363. The reversal of 61022359 is 95322016.

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 61022359 - 2¹⁷ = 60891287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61022459) 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, 11304 + ... + 15805.

It is an arithmetic number, because the mean of its divisors is an integer number (15262930).

Almost surely, 2^61022359 is an apocalyptic number.

61022359 is a deficient number, since it is larger than the sum of its proper divisors (29361).

61022359 is a wasteful number, since it uses less digits than its factorization.

61022359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29360.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 61022359 is about 7811.6809330643. The cubic root of 61022359 is about 393.6978086866.

The spelling of 61022359 in words is "sixty-one million, twenty-two thousand, three hundred fifty-nine".