1912951 has 2 divisors, whose sum is σ = 1912952. Its totient is φ = 1912950.

The previous prime is 1912949. The next prime is 1912969. The reversal of 1912951 is 1592191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1912951 - 2¹ = 1912949 is a prime.

Together with 1912949, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956475 + 956476.

It is an arithmetic number, because the mean of its divisors is an integer number (956476).

2^1912951 is an apocalyptic number.

1912951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912951 is an equidigital number, since it uses as much as digits as its factorization.

1912951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 28.

The square root of 1912951 is about 1383.0947183761. The cubic root of 1912951 is about 124.1370103690.

It can be divided in two parts, 19129 and 51, that multiplied together give a palindrome (975579).

The spelling of 1912951 in words is "one million, nine hundred twelve thousand, nine hundred fifty-one".