61322567 has 4 divisors (see below), whose sum is σ = 61689936. Its totient is φ = 60955200.

The previous prime is 61322561. The next prime is 61322581. The reversal of 61322567 is 76522316.

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 61322567 - 2⁴ = 61322551 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 (61322561) 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, 183434 + ... + 183767.

It is an arithmetic number, because the mean of its divisors is an integer number (15422484).

Almost surely, 2^61322567 is an apocalyptic number.

61322567 is a deficient number, since it is larger than the sum of its proper divisors (367369).

61322567 is a wasteful number, since it uses less digits than its factorization.

61322567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367368.

The product of its digits is 15120, while the sum is 32.

The square root of 61322567 is about 7830.8726844458. The cubic root of 61322567 is about 394.3423699167.

The spelling of 61322567 in words is "sixty-one million, three hundred twenty-two thousand, five hundred sixty-seven".