61325011 has 4 divisors (see below), whose sum is σ = 66900024. Its totient is φ = 55750000.

The previous prime is 61324999. The next prime is 61325023. The reversal of 61325011 is 11052316.

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

It is an interprime number because it is at equal distance from previous prime (61324999) and next prime (61325023).

It is a cyclic number.

It is not a de Polignac number, because 61325011 - 2⁷ = 61324883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61325011.

It is not an unprimeable number, because it can be changed into a prime (61325071) 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, 2787490 + ... + 2787511.

It is an arithmetic number, because the mean of its divisors is an integer number (16725006).

Almost surely, 2^61325011 is an apocalyptic number.

61325011 is a deficient number, since it is larger than the sum of its proper divisors (5575013).

61325011 is a wasteful number, since it uses less digits than its factorization.

61325011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575012.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 61325011 is about 7831.0287319100. The cubic root of 61325011 is about 394.3476086621.

Adding to 61325011 its reverse (11052316), we get a palindrome (72377327).

The spelling of 61325011 in words is "sixty-one million, three hundred twenty-five thousand, eleven".