61225351 has 8 divisors (see below), whose sum is σ = 69094800. Its totient is φ = 53739840.

The previous prime is 61225331. The next prime is 61225357. The reversal of 61225351 is 15352216.

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

It is not a de Polignac number, because 61225351 - 2⁷ = 61225223 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 (61225357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95646 + ... + 96283.

It is an arithmetic number, because the mean of its divisors is an integer number (8636850).

Almost surely, 2^61225351 is an apocalyptic number.

61225351 is a deficient number, since it is larger than the sum of its proper divisors (7869449).

61225351 is a wasteful number, since it uses less digits than its factorization.

61225351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191969.

The product of its digits is 1800, while the sum is 25.

The square root of 61225351 is about 7824.6629959379. The cubic root of 61225351 is about 394.1338731861.

Adding to 61225351 its reverse (15352216), we get a palindrome (76577567).

The spelling of 61225351 in words is "sixty-one million, two hundred twenty-five thousand, three hundred fifty-one".