70525001 has 8 divisors (see below), whose sum is σ = 71953440. Its totient is φ = 69104448.

The previous prime is 70524991. The next prime is 70525009. The reversal of 70525001 is 10052507.

70525001 = 279² + 280² + ... + 615².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70525001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70525009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18110 + ... + 21656.

It is an arithmetic number, because the mean of its divisors is an integer number (8994180).

Almost surely, 2^70525001 is an apocalyptic number.

It is an amenable number.

70525001 is a deficient number, since it is larger than the sum of its proper divisors (1428439).

70525001 is a wasteful number, since it uses less digits than its factorization.

70525001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 70525001 is about 8397.9164677913. The cubic root of 70525001 is about 413.1562881344.

Adding to 70525001 its reverse (10052507), we get a palindrome (80577508).

The spelling of 70525001 in words is "seventy million, five hundred twenty-five thousand, one".