61207051 has 6 divisors (see below), whose sum is σ = 63246156. Its totient is φ = 59231700.

The previous prime is 61207043. The next prime is 61207061. The reversal of 61207051 is 15070216.

It is not a de Polignac number, because 61207051 - 2³ = 61207043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61207001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30885 + ... + 32806.

It is an arithmetic number, because the mean of its divisors is an integer number (10541026).

Almost surely, 2^61207051 is an apocalyptic number.

61207051 is a deficient number, since it is larger than the sum of its proper divisors (2039105).

61207051 is an equidigital number, since it uses as much as digits as its factorization.

61207051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63753 (or 63722 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 61207051 is about 7823.4935291083. The cubic root of 61207051 is about 394.0946009539.

Adding to 61207051 its reverse (15070216), we get a palindrome (76277267).

The spelling of 61207051 in words is "sixty-one million, two hundred seven thousand, fifty-one".