61225042 has 8 divisors (see below), whose sum is σ = 92784636. Its totient is φ = 30296832.

The previous prime is 61225037. The next prime is 61225091. The reversal of 61225042 is 24052216.

It can be written as a sum of positive squares in 2 ways, for example, as 60078001 + 1147041 = 7751^2 + 1071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157603 + ... + 157990.

Almost surely, 2^61225042 is an apocalyptic number.

61225042 is a deficient number, since it is larger than the sum of its proper divisors (31559594).

61225042 is a wasteful number, since it uses less digits than its factorization.

61225042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315692.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 61225042 is about 7824.6432506537. The cubic root of 61225042 is about 394.1332101298.

Adding to 61225042 its reverse (24052216), we get a palindrome (85277258).

The spelling of 61225042 in words is "sixty-one million, two hundred twenty-five thousand, forty-two".