97444513 has 2 divisors, whose sum is σ = 97444514. Its totient is φ = 97444512.

The previous prime is 97444507. The next prime is 97444519. The reversal of 97444513 is 31544479.

It is a balanced prime because it is at equal distance from previous prime (97444507) and next prime (97444519).

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 39790864 = 7593^2 + 6308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97444513 is a prime.

It is a super-2 number, since 2×97444513² = 18990866227614338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97444519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48722256 + 48722257.

It is an arithmetic number, because the mean of its divisors is an integer number (48722257).

Almost surely, 2^97444513 is an apocalyptic number.

It is an amenable number.

97444513 is a deficient number, since it is larger than the sum of its proper divisors (1).

97444513 is an equidigital number, since it uses as much as digits as its factorization.

97444513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 97444513 is about 9871.3987357416. The cubic root of 97444513 is about 460.1708769699.

The spelling of 97444513 in words is "ninety-seven million, four hundred forty-four thousand, five hundred thirteen".