1970515 has 8 divisors (see below), whose sum is σ = 2441088. Its totient is φ = 1525440.

The previous prime is 1970513. The next prime is 1970519. The reversal of 1970515 is 5150791.

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

It is not a de Polignac number, because 1970515 - 2¹ = 1970513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970513) 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, 6202 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (305136).

2^1970515 is an apocalyptic number.

1970515 is a deficient number, since it is larger than the sum of its proper divisors (470573).

1970515 is a wasteful number, since it uses less digits than its factorization.

1970515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12749.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1970515 is about 1403.7503339269. The cubic root of 1970515 is about 125.3698910320.

It can be divided in two parts, 1970 and 515, that added together give a triangular number (2485 = T₇₀).

The spelling of 1970515 in words is "one million, nine hundred seventy thousand, five hundred fifteen".