70245051 has 4 divisors (see below), whose sum is σ = 93660072. Its totient is φ = 46830032.

The previous prime is 70245031. The next prime is 70245061. The reversal of 70245051 is 15054207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70245051 - 2¹⁴ = 70228667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70245031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11707506 + ... + 11707511.

It is an arithmetic number, because the mean of its divisors is an integer number (23415018).

Almost surely, 2^70245051 is an apocalyptic number.

70245051 is a deficient number, since it is larger than the sum of its proper divisors (23415021).

70245051 is a wasteful number, since it uses less digits than its factorization.

70245051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23415020.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 70245051 is about 8381.2320693321. The cubic root of 70245051 is about 412.6088865901.

Adding to 70245051 its reverse (15054207), we get a palindrome (85299258).

It can be divided in two parts, 702 and 45051, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 70245051 in words is "seventy million, two hundred forty-five thousand, fifty-one".