61022477 has 4 divisors (see below), whose sum is σ = 62990976. Its totient is φ = 59053980.

The previous prime is 61022459. The next prime is 61022531. The reversal of 61022477 is 77422016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61022477 - 2⁶ = 61022413 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 (61022417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984203 + ... + 984264.

It is an arithmetic number, because the mean of its divisors is an integer number (15747744).

Almost surely, 2^61022477 is an apocalyptic number.

It is an amenable number.

61022477 is a deficient number, since it is larger than the sum of its proper divisors (1968499).

61022477 is a wasteful number, since it uses less digits than its factorization.

61022477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968498.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 61022477 is about 7811.6884858525. The cubic root of 61022477 is about 393.6980624533.

The spelling of 61022477 in words is "sixty-one million, twenty-two thousand, four hundred seventy-seven".