61001051 has 2 divisors, whose sum is σ = 61001052. Its totient is φ = 61001050.

The previous prime is 61001033. The next prime is 61001053. The reversal of 61001051 is 15010016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61001051 - 2¹⁴ = 60984667 is a prime.

It is a super-2 number, since 2×61001051² = 7442256446209202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 61001053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61001053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500525 + 30500526.

It is an arithmetic number, because the mean of its divisors is an integer number (30500526).

Almost surely, 2^61001051 is an apocalyptic number.

61001051 is a deficient number, since it is larger than the sum of its proper divisors (1).

61001051 is an equidigital number, since it uses as much as digits as its factorization.

61001051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 61001051 is about 7810.3169589972. The cubic root of 61001051 is about 393.6519790942.

Adding to 61001051 its reverse (15010016), we get a palindrome (76011067).

The spelling of 61001051 in words is "sixty-one million, one thousand, fifty-one".