61152401 has 2 divisors, whose sum is σ = 61152402. Its totient is φ = 61152400.

The previous prime is 61152397. The next prime is 61152437. The reversal of 61152401 is 10425116.

It is a Cunningham number, because it is equal to 7820²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 1 = 7820^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 61152401 - 2² = 61152397 is a prime.

It is a super-2 number, since 2×61152401² = 7479232296129602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61157401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576200 + 30576201.

It is an arithmetic number, because the mean of its divisors is an integer number (30576201).

Almost surely, 2^61152401 is an apocalyptic number.

It is an amenable number.

61152401 is a deficient number, since it is larger than the sum of its proper divisors (1).

61152401 is an equidigital number, since it uses as much as digits as its factorization.

61152401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 61152401 is about 7820.0000639386. Note that the first 4 decimals coincide. The cubic root of 61152401 is about 393.9772741494.

Adding to 61152401 its reverse (10425116), we get a palindrome (71577517).

The spelling of 61152401 in words is "sixty-one million, one hundred fifty-two thousand, four hundred one".