61152437 has 2 divisors, whose sum is σ = 61152438. Its totient is φ = 61152436.

The previous prime is 61152401. The next prime is 61152467. The reversal of 61152437 is 73425116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50822641 + 10329796 = 7129^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 61152437 - 2⁶ = 61152373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61152467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576218 + 30576219.

It is an arithmetic number, because the mean of its divisors is an integer number (30576219).

Almost surely, 2^61152437 is an apocalyptic number.

It is an amenable number.

61152437 is a deficient number, since it is larger than the sum of its proper divisors (1).

61152437 is an equidigital number, since it uses as much as digits as its factorization.

61152437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 61152437 is about 7820.0023657285. The cubic root of 61152437 is about 393.9773514599.

The spelling of 61152437 in words is "sixty-one million, one hundred fifty-two thousand, four hundred thirty-seven".