61582442 has 4 divisors (see below), whose sum is σ = 92373666. Its totient is φ = 30791220.

The previous prime is 61582441. The next prime is 61582511. The reversal of 61582442 is 24428516.

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

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 16410601 = 6721^2 + 4051^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61582399 and 61582408.

It is not an unprimeable number, because it can be changed into a prime (61582441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15395609 + ... + 15395612.

Almost surely, 2^61582442 is an apocalyptic number.

61582442 is a deficient number, since it is larger than the sum of its proper divisors (30791224).

61582442 is a wasteful number, since it uses less digits than its factorization.

61582442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30791223.

The product of its digits is 15360, while the sum is 32.

The square root of 61582442 is about 7847.4481202490. The cubic root of 61582442 is about 394.8986376670.

The spelling of 61582442 in words is "sixty-one million, five hundred eighty-two thousand, four hundred forty-two".