97651039 has 4 divisors (see below), whose sum is σ = 97765056. Its totient is φ = 97537024.

The previous prime is 97651019. The next prime is 97651049. The reversal of 97651039 is 93015679.

97651039 = T₈₀₆₇ + T₈₀₆₈ + T₈₀₆₉.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93015679 = 47 ⋅1979057.

It is a cyclic number.

It is not a de Polignac number, because 97651039 - 2¹³ = 97642847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97650992 and 97651010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97651019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55714 + ... + 57439.

It is an arithmetic number, because the mean of its divisors is an integer number (24441264).

Almost surely, 2^97651039 is an apocalyptic number.

97651039 is the 8069-th centered triangular number.

97651039 is a deficient number, since it is larger than the sum of its proper divisors (114017).

97651039 is a wasteful number, since it uses less digits than its factorization.

97651039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114016.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 97651039 is about 9881.8540264467. The cubic root of 97651039 is about 460.4957462561.

The spelling of 97651039 in words is "ninety-seven million, six hundred fifty-one thousand, thirty-nine".