61514071 has 2 divisors, whose sum is σ = 61514072. Its totient is φ = 61514070.

The previous prime is 61514053. The next prime is 61514083. The reversal of 61514071 is 17041516.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61514071 - 2¹³ = 61505879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61514051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757035 + 30757036.

It is an arithmetic number, because the mean of its divisors is an integer number (30757036).

Almost surely, 2^61514071 is an apocalyptic number.

61514071 is a deficient number, since it is larger than the sum of its proper divisors (1).

61514071 is an equidigital number, since it uses as much as digits as its factorization.

61514071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 61514071 is about 7843.0906535625. The cubic root of 61514071 is about 394.7524400820.

Adding to 61514071 its reverse (17041516), we get a palindrome (78555587).

The spelling of 61514071 in words is "sixty-one million, five hundred fourteen thousand, seventy-one".