213970054 has 4 divisors (see below), whose sum is σ = 320955084. Its totient is φ = 106985026.

The previous prime is 213970027. The next prime is 213970079. The reversal of 213970054 is 450079312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213969998 and 213970025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53492512 + ... + 53492515.

It is an arithmetic number, because the mean of its divisors is an integer number (80238771).

Almost surely, 2^213970054 is an apocalyptic number.

213970054 is a deficient number, since it is larger than the sum of its proper divisors (106985030).

213970054 is a wasteful number, since it uses less digits than its factorization.

213970054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106985029.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 213970054 is about 14627.7152693098. The cubic root of 213970054 is about 598.1145014020.

The spelling of 213970054 in words is "two hundred thirteen million, nine hundred seventy thousand, fifty-four".